Home / 9,388.16-14,082.24-3,147.68

Finding the Fourth Proportional to 9,388.16, 14,082.24 and 3,147.68

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Solution

The fourth proportional to 9,388.16, 14,082.24 and 3,147.68 is: 4,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.16 : 14,082.24 = 3,147.68 : x
  2. Step 2: Convert to fraction form
    9,388.16/14,082.24 = 3,147.68/x
  3. Step 3: Cross multiply
    9,388.16x = 14,082.24 × 3,147.68
  4. Step 4: Simplify right side
    9,388.16x = 44,326,385.20
  5. Step 5: Solve for x
    x = 44,326,385.20/9,388.16
  6. Step 6: Final answer
    x = 4,721.52

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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.