Home / 37,140.15-55,711.05-9,060.39

Finding the Fourth Proportional to 37,140.15, 55,711.05 and 9,060.39

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Solution

The fourth proportional to 37,140.15, 55,711.05 and 9,060.39 is: 13,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.15 : 55,711.05 = 9,060.39 : x
  2. Step 2: Convert to fraction form
    37,140.15/55,711.05 = 9,060.39/x
  3. Step 3: Cross multiply
    37,140.15x = 55,711.05 × 9,060.39
  4. Step 4: Simplify right side
    37,140.15x = 504,763,840.31
  5. Step 5: Solve for x
    x = 504,763,840.31/37,140.15
  6. Step 6: Final answer
    x = 13,590.79

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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.