Home / 9,329.24-13,989.60-2,753.12

Finding the Fourth Proportional to 9,329.24, 13,989.60 and 2,753.12

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Solution

The fourth proportional to 9,329.24, 13,989.60 and 2,753.12 is: 4,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.24 : 13,989.60 = 2,753.12 : x
  2. Step 2: Convert to fraction form
    9,329.24/13,989.60 = 2,753.12/x
  3. Step 3: Cross multiply
    9,329.24x = 13,989.60 × 2,753.12
  4. Step 4: Simplify right side
    9,329.24x = 38,515,047.55
  5. Step 5: Solve for x
    x = 38,515,047.55/9,329.24
  6. Step 6: Final answer
    x = 4,128.42

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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.