Home / 6,856.57-9,462.04-3,712.76

Finding the Fourth Proportional to 6,856.57, 9,462.04 and 3,712.76

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Solution

The fourth proportional to 6,856.57, 9,462.04 and 3,712.76 is: 5,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.57 : 9,462.04 = 3,712.76 : x
  2. Step 2: Convert to fraction form
    6,856.57/9,462.04 = 3,712.76/x
  3. Step 3: Cross multiply
    6,856.57x = 9,462.04 × 3,712.76
  4. Step 4: Simplify right side
    6,856.57x = 35,130,283.63
  5. Step 5: Solve for x
    x = 35,130,283.63/6,856.57
  6. Step 6: Final answer
    x = 5,123.59

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Find fourth proportional to 3,428.29, 4,731.02 and 1,856.38
Half scale
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Double scale
Find fourth proportional to 6,857.57, 9,463.42 and 3,713.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.