Home / 12,572.12-18,862.27-5,997.45

Finding the Fourth Proportional to 12,572.12, 18,862.27 and 5,997.45

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Solution

The fourth proportional to 12,572.12, 18,862.27 and 5,997.45 is: 8,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.12 : 18,862.27 = 5,997.45 : x
  2. Step 2: Convert to fraction form
    12,572.12/18,862.27 = 5,997.45/x
  3. Step 3: Cross multiply
    12,572.12x = 18,862.27 × 5,997.45
  4. Step 4: Simplify right side
    12,572.12x = 113,125,521.21
  5. Step 5: Solve for x
    x = 113,125,521.21/12,572.12
  6. Step 6: Final answer
    x = 8,998.13

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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.