Home / 8,099.63-11,177.76-4,742.75

Finding the Fourth Proportional to 8,099.63, 11,177.76 and 4,742.75

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Solution

The fourth proportional to 8,099.63, 11,177.76 and 4,742.75 is: 6,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.63 : 11,177.76 = 4,742.75 : x
  2. Step 2: Convert to fraction form
    8,099.63/11,177.76 = 4,742.75/x
  3. Step 3: Cross multiply
    8,099.63x = 11,177.76 × 4,742.75
  4. Step 4: Simplify right side
    8,099.63x = 53,013,321.24
  5. Step 5: Solve for x
    x = 53,013,321.24/8,099.63
  6. Step 6: Final answer
    x = 6,545.15

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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.