Home / 9,327.28-13,999.24-8,338.48

Finding the Fourth Proportional to 9,327.28, 13,999.24 and 8,338.48

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Solution

The fourth proportional to 9,327.28, 13,999.24 and 8,338.48 is: 12,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.28 : 13,999.24 = 8,338.48 : x
  2. Step 2: Convert to fraction form
    9,327.28/13,999.24 = 8,338.48/x
  3. Step 3: Cross multiply
    9,327.28x = 13,999.24 × 8,338.48
  4. Step 4: Simplify right side
    9,327.28x = 116,732,382.76
  5. Step 5: Solve for x
    x = 116,732,382.76/9,327.28
  6. Step 6: Final answer
    x = 12,515.16

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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.