Home / 38,002.50-57,011.31-11,706.12

Finding the Fourth Proportional to 38,002.50, 57,011.31 and 11,706.12

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Solution

The fourth proportional to 38,002.50, 57,011.31 and 11,706.12 is: 17,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.50 : 57,011.31 = 11,706.12 : x
  2. Step 2: Convert to fraction form
    38,002.50/57,011.31 = 11,706.12/x
  3. Step 3: Cross multiply
    38,002.50x = 57,011.31 × 11,706.12
  4. Step 4: Simplify right side
    38,002.50x = 667,381,236.22
  5. Step 5: Solve for x
    x = 667,381,236.22/38,002.50
  6. Step 6: Final answer
    x = 17,561.51

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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.