Home / 7,934.39-10,948.87-4,348.78

Finding the Fourth Proportional to 7,934.39, 10,948.87 and 4,348.78

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Solution

The fourth proportional to 7,934.39, 10,948.87 and 4,348.78 is: 6,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.39 : 10,948.87 = 4,348.78 : x
  2. Step 2: Convert to fraction form
    7,934.39/10,948.87 = 4,348.78/x
  3. Step 3: Cross multiply
    7,934.39x = 10,948.87 × 4,348.78
  4. Step 4: Simplify right side
    7,934.39x = 47,614,204.94
  5. Step 5: Solve for x
    x = 47,614,204.94/7,934.39
  6. Step 6: Final answer
    x = 6,000.99

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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.