Home / 8,927.55-12,315.24-7,250.85

Finding the Fourth Proportional to 8,927.55, 12,315.24 and 7,250.85

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Solution

The fourth proportional to 8,927.55, 12,315.24 and 7,250.85 is: 10,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.55 : 12,315.24 = 7,250.85 : x
  2. Step 2: Convert to fraction form
    8,927.55/12,315.24 = 7,250.85/x
  3. Step 3: Cross multiply
    8,927.55x = 12,315.24 × 7,250.85
  4. Step 4: Simplify right side
    8,927.55x = 89,295,957.95
  5. Step 5: Solve for x
    x = 89,295,957.95/8,927.55
  6. Step 6: Final answer
    x = 10,002.29

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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.