Home / 12,477.68-18,719.17-3,592.92

Finding the Fourth Proportional to 12,477.68, 18,719.17 and 3,592.92

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Solution

The fourth proportional to 12,477.68, 18,719.17 and 3,592.92 is: 5,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.68 : 18,719.17 = 3,592.92 : x
  2. Step 2: Convert to fraction form
    12,477.68/18,719.17 = 3,592.92/x
  3. Step 3: Cross multiply
    12,477.68x = 18,719.17 × 3,592.92
  4. Step 4: Simplify right side
    12,477.68x = 67,256,471.29
  5. Step 5: Solve for x
    x = 67,256,471.29/12,477.68
  6. Step 6: Final answer
    x = 5,390.14

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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.