Home / 8,545.24-11,790.12-5,143.24

Finding the Fourth Proportional to 8,545.24, 11,790.12 and 5,143.24

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Solution

The fourth proportional to 8,545.24, 11,790.12 and 5,143.24 is: 7,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.24 : 11,790.12 = 5,143.24 : x
  2. Step 2: Convert to fraction form
    8,545.24/11,790.12 = 5,143.24/x
  3. Step 3: Cross multiply
    8,545.24x = 11,790.12 × 5,143.24
  4. Step 4: Simplify right side
    8,545.24x = 60,639,416.79
  5. Step 5: Solve for x
    x = 60,639,416.79/8,545.24
  6. Step 6: Final answer
    x = 7,096.28

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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.