Home / 8,913.60-12,299.07-4,934.52

Finding the Fourth Proportional to 8,913.60, 12,299.07 and 4,934.52

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Solution

The fourth proportional to 8,913.60, 12,299.07 and 4,934.52 is: 6,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.60 : 12,299.07 = 4,934.52 : x
  2. Step 2: Convert to fraction form
    8,913.60/12,299.07 = 4,934.52/x
  3. Step 3: Cross multiply
    8,913.60x = 12,299.07 × 4,934.52
  4. Step 4: Simplify right side
    8,913.60x = 60,690,006.90
  5. Step 5: Solve for x
    x = 60,690,006.90/8,913.60
  6. Step 6: Final answer
    x = 6,808.70

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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.