Home / 12,437.16-17,149.06-9,288.04

Finding the Fourth Proportional to 12,437.16, 17,149.06 and 9,288.04

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Solution

The fourth proportional to 12,437.16, 17,149.06 and 9,288.04 is: 12,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.16 : 17,149.06 = 9,288.04 : x
  2. Step 2: Convert to fraction form
    12,437.16/17,149.06 = 9,288.04/x
  3. Step 3: Cross multiply
    12,437.16x = 17,149.06 × 9,288.04
  4. Step 4: Simplify right side
    12,437.16x = 159,281,155.24
  5. Step 5: Solve for x
    x = 159,281,155.24/12,437.16
  6. Step 6: Final answer
    x = 12,806.88

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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.