Home / 9,375.12-12,937.24-5,125.98

Finding the Fourth Proportional to 9,375.12, 12,937.24 and 5,125.98

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Solution

The fourth proportional to 9,375.12, 12,937.24 and 5,125.98 is: 7,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.12 : 12,937.24 = 5,125.98 : x
  2. Step 2: Convert to fraction form
    9,375.12/12,937.24 = 5,125.98/x
  3. Step 3: Cross multiply
    9,375.12x = 12,937.24 × 5,125.98
  4. Step 4: Simplify right side
    9,375.12x = 66,316,033.50
  5. Step 5: Solve for x
    x = 66,316,033.50/9,375.12
  6. Step 6: Final answer
    x = 7,073.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.