Home / 10,143.78-13,996.02-5,892.32

Finding the Fourth Proportional to 10,143.78, 13,996.02 and 5,892.32

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Solution

The fourth proportional to 10,143.78, 13,996.02 and 5,892.32 is: 8,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.78 : 13,996.02 = 5,892.32 : x
  2. Step 2: Convert to fraction form
    10,143.78/13,996.02 = 5,892.32/x
  3. Step 3: Cross multiply
    10,143.78x = 13,996.02 × 5,892.32
  4. Step 4: Simplify right side
    10,143.78x = 82,468,996.57
  5. Step 5: Solve for x
    x = 82,468,996.57/10,143.78
  6. Step 6: Final answer
    x = 8,130.00

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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.