Home / 12,352.52-18,529.29-3,587.43

Finding the Fourth Proportional to 12,352.52, 18,529.29 and 3,587.43

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Solution

The fourth proportional to 12,352.52, 18,529.29 and 3,587.43 is: 5,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.52 : 18,529.29 = 3,587.43 : x
  2. Step 2: Convert to fraction form
    12,352.52/18,529.29 = 3,587.43/x
  3. Step 3: Cross multiply
    12,352.52x = 18,529.29 × 3,587.43
  4. Step 4: Simplify right side
    12,352.52x = 66,472,512.89
  5. Step 5: Solve for x
    x = 66,472,512.89/12,352.52
  6. Step 6: Final answer
    x = 5,381.29

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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.