Home / 9,499.20-13,113.36-7,082.61

Finding the Fourth Proportional to 9,499.20, 13,113.36 and 7,082.61

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Solution

The fourth proportional to 9,499.20, 13,113.36 and 7,082.61 is: 9,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,499.20 : 13,113.36 = 7,082.61 : x
  2. Step 2: Convert to fraction form
    9,499.20/13,113.36 = 7,082.61/x
  3. Step 3: Cross multiply
    9,499.20x = 13,113.36 × 7,082.61
  4. Step 4: Simplify right side
    9,499.20x = 92,876,814.67
  5. Step 5: Solve for x
    x = 92,876,814.67/9,499.20
  6. Step 6: Final answer
    x = 9,777.33

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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.