Home / 12,432.32-17,143.71-9,600.16

Finding the Fourth Proportional to 12,432.32, 17,143.71 and 9,600.16

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Solution

The fourth proportional to 12,432.32, 17,143.71 and 9,600.16 is: 13,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.32 : 17,143.71 = 9,600.16 : x
  2. Step 2: Convert to fraction form
    12,432.32/17,143.71 = 9,600.16/x
  3. Step 3: Cross multiply
    12,432.32x = 17,143.71 × 9,600.16
  4. Step 4: Simplify right side
    12,432.32x = 164,582,358.99
  5. Step 5: Solve for x
    x = 164,582,358.99/12,432.32
  6. Step 6: Final answer
    x = 13,238.27

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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.