Home / 6,856.41-9,461.89-3,712.60

Finding the Fourth Proportional to 6,856.41, 9,461.89 and 3,712.60

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Solution

The fourth proportional to 6,856.41, 9,461.89 and 3,712.60 is: 5,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.41 : 9,461.89 = 3,712.60 : x
  2. Step 2: Convert to fraction form
    6,856.41/9,461.89 = 3,712.60/x
  3. Step 3: Cross multiply
    6,856.41x = 9,461.89 × 3,712.60
  4. Step 4: Simplify right side
    6,856.41x = 35,128,179.88
  5. Step 5: Solve for x
    x = 35,128,179.88/6,856.41
  6. Step 6: Final answer
    x = 5,123.41

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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.