Home / 10,331.71-14,255.40-5,854.43

Finding the Fourth Proportional to 10,331.71, 14,255.40 and 5,854.43

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Solution

The fourth proportional to 10,331.71, 14,255.40 and 5,854.43 is: 8,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.71 : 14,255.40 = 5,854.43 : x
  2. Step 2: Convert to fraction form
    10,331.71/14,255.40 = 5,854.43/x
  3. Step 3: Cross multiply
    10,331.71x = 14,255.40 × 5,854.43
  4. Step 4: Simplify right side
    10,331.71x = 83,457,241.42
  5. Step 5: Solve for x
    x = 83,457,241.42/10,331.71
  6. Step 6: Final answer
    x = 8,077.78

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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.