Home / 9,376.20-12,937.46-5,397.08

Finding the Fourth Proportional to 9,376.20, 12,937.46 and 5,397.08

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Solution

The fourth proportional to 9,376.20, 12,937.46 and 5,397.08 is: 7,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.20 : 12,937.46 = 5,397.08 : x
  2. Step 2: Convert to fraction form
    9,376.20/12,937.46 = 5,397.08/x
  3. Step 3: Cross multiply
    9,376.20x = 12,937.46 × 5,397.08
  4. Step 4: Simplify right side
    9,376.20x = 69,824,414.94
  5. Step 5: Solve for x
    x = 69,824,414.94/9,376.20
  6. Step 6: Final answer
    x = 7,446.98

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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.