Home / 6,856.28-9,461.70-3,712.46

Finding the Fourth Proportional to 6,856.28, 9,461.70 and 3,712.46

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Solution

The fourth proportional to 6,856.28, 9,461.70 and 3,712.46 is: 5,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.28 : 9,461.70 = 3,712.46 : x
  2. Step 2: Convert to fraction form
    6,856.28/9,461.70 = 3,712.46/x
  3. Step 3: Cross multiply
    6,856.28x = 9,461.70 × 3,712.46
  4. Step 4: Simplify right side
    6,856.28x = 35,126,164.22
  5. Step 5: Solve for x
    x = 35,126,164.22/6,856.28
  6. Step 6: Final answer
    x = 5,123.21

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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.