Home / 7,502.30-11,253.45-6,117.20

Finding the Fourth Proportional to 7,502.30, 11,253.45 and 6,117.20

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Solution

The fourth proportional to 7,502.30, 11,253.45 and 6,117.20 is: 9,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.30 : 11,253.45 = 6,117.20 : x
  2. Step 2: Convert to fraction form
    7,502.30/11,253.45 = 6,117.20/x
  3. Step 3: Cross multiply
    7,502.30x = 11,253.45 × 6,117.20
  4. Step 4: Simplify right side
    7,502.30x = 68,839,604.34
  5. Step 5: Solve for x
    x = 68,839,604.34/7,502.30
  6. Step 6: Final answer
    x = 9,175.80

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Similar ratio
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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.