Home / 8,488.14-11,715.04-4,951.36

Finding the Fourth Proportional to 8,488.14, 11,715.04 and 4,951.36

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Solution

The fourth proportional to 8,488.14, 11,715.04 and 4,951.36 is: 6,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.14 : 11,715.04 = 4,951.36 : x
  2. Step 2: Convert to fraction form
    8,488.14/11,715.04 = 4,951.36/x
  3. Step 3: Cross multiply
    8,488.14x = 11,715.04 × 4,951.36
  4. Step 4: Simplify right side
    8,488.14x = 58,005,321.88
  5. Step 5: Solve for x
    x = 58,005,321.88/8,488.14
  6. Step 6: Final answer
    x = 6,833.69

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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.