Home / 8,913.92-12,300.98-4,934.97

Finding the Fourth Proportional to 8,913.92, 12,300.98 and 4,934.97

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Solution

The fourth proportional to 8,913.92, 12,300.98 and 4,934.97 is: 6,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.92 : 12,300.98 = 4,934.97 : x
  2. Step 2: Convert to fraction form
    8,913.92/12,300.98 = 4,934.97/x
  3. Step 3: Cross multiply
    8,913.92x = 12,300.98 × 4,934.97
  4. Step 4: Simplify right side
    8,913.92x = 60,704,942.60
  5. Step 5: Solve for x
    x = 60,704,942.60/8,913.92
  6. Step 6: Final answer
    x = 6,810.13

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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.