Home / 8,474.15-12,711.13-4,088.51

Finding the Fourth Proportional to 8,474.15, 12,711.13 and 4,088.51

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Solution

The fourth proportional to 8,474.15, 12,711.13 and 4,088.51 is: 6,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.15 : 12,711.13 = 4,088.51 : x
  2. Step 2: Convert to fraction form
    8,474.15/12,711.13 = 4,088.51/x
  3. Step 3: Cross multiply
    8,474.15x = 12,711.13 × 4,088.51
  4. Step 4: Simplify right side
    8,474.15x = 51,969,556.01
  5. Step 5: Solve for x
    x = 51,969,556.01/8,474.15
  6. Step 6: Final answer
    x = 6,132.71

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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.