Home / 10,175.52-15,230.88-8,775.84

Finding the Fourth Proportional to 10,175.52, 15,230.88 and 8,775.84

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Solution

The fourth proportional to 10,175.52, 15,230.88 and 8,775.84 is: 13,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.52 : 15,230.88 = 8,775.84 : x
  2. Step 2: Convert to fraction form
    10,175.52/15,230.88 = 8,775.84/x
  3. Step 3: Cross multiply
    10,175.52x = 15,230.88 × 8,775.84
  4. Step 4: Simplify right side
    10,175.52x = 133,663,765.94
  5. Step 5: Solve for x
    x = 133,663,765.94/10,175.52
  6. Step 6: Final answer
    x = 13,135.82

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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.