Home / 10,884.73-15,018.87-10,331.10

Finding the Fourth Proportional to 10,884.73, 15,018.87 and 10,331.10

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Solution

The fourth proportional to 10,884.73, 15,018.87 and 10,331.10 is: 14,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.73 : 15,018.87 = 10,331.10 : x
  2. Step 2: Convert to fraction form
    10,884.73/15,018.87 = 10,331.10/x
  3. Step 3: Cross multiply
    10,884.73x = 15,018.87 × 10,331.10
  4. Step 4: Simplify right side
    10,884.73x = 155,161,447.86
  5. Step 5: Solve for x
    x = 155,161,447.86/10,884.73
  6. Step 6: Final answer
    x = 14,254.97

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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.