Home / 12,552.26-17,320.88-7,247.30

Finding the Fourth Proportional to 12,552.26, 17,320.88 and 7,247.30

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Solution

The fourth proportional to 12,552.26, 17,320.88 and 7,247.30 is: 10,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.26 : 17,320.88 = 7,247.30 : x
  2. Step 2: Convert to fraction form
    12,552.26/17,320.88 = 7,247.30/x
  3. Step 3: Cross multiply
    12,552.26x = 17,320.88 × 7,247.30
  4. Step 4: Simplify right side
    12,552.26x = 125,529,613.62
  5. Step 5: Solve for x
    x = 125,529,613.62/12,552.26
  6. Step 6: Final answer
    x = 10,000.56

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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.