Home / 6,115.13-9,162.47-5,887.61

Finding the Fourth Proportional to 6,115.13, 9,162.47 and 5,887.61

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Solution

The fourth proportional to 6,115.13, 9,162.47 and 5,887.61 is: 8,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.13 : 9,162.47 = 5,887.61 : x
  2. Step 2: Convert to fraction form
    6,115.13/9,162.47 = 5,887.61/x
  3. Step 3: Cross multiply
    6,115.13x = 9,162.47 × 5,887.61
  4. Step 4: Simplify right side
    6,115.13x = 53,944,974.75
  5. Step 5: Solve for x
    x = 53,944,974.75/6,115.13
  6. Step 6: Final answer
    x = 8,821.57

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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.