Home / 10,882.40-16,333.20-9,327.20

Finding the Fourth Proportional to 10,882.40, 16,333.20 and 9,327.20

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Solution

The fourth proportional to 10,882.40, 16,333.20 and 9,327.20 is: 13,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.40 : 16,333.20 = 9,327.20 : x
  2. Step 2: Convert to fraction form
    10,882.40/16,333.20 = 9,327.20/x
  3. Step 3: Cross multiply
    10,882.40x = 16,333.20 × 9,327.20
  4. Step 4: Simplify right side
    10,882.40x = 152,343,023.04
  5. Step 5: Solve for x
    x = 152,343,023.04/10,882.40
  6. Step 6: Final answer
    x = 13,999.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.