Home / 10,331.38-14,259.90-5,857.80

Finding the Fourth Proportional to 10,331.38, 14,259.90 and 5,857.80

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Solution

The fourth proportional to 10,331.38, 14,259.90 and 5,857.80 is: 8,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.38 : 14,259.90 = 5,857.80 : x
  2. Step 2: Convert to fraction form
    10,331.38/14,259.90 = 5,857.80/x
  3. Step 3: Cross multiply
    10,331.38x = 14,259.90 × 5,857.80
  4. Step 4: Simplify right side
    10,331.38x = 83,531,657.97
  5. Step 5: Solve for x
    x = 83,531,657.97/10,331.38
  6. Step 6: Final answer
    x = 8,085.24

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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.