Home / 10,934.20-15,087.68-6,154.39

Finding the Fourth Proportional to 10,934.20, 15,087.68 and 6,154.39

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Solution

The fourth proportional to 10,934.20, 15,087.68 and 6,154.39 is: 8,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.20 : 15,087.68 = 6,154.39 : x
  2. Step 2: Convert to fraction form
    10,934.20/15,087.68 = 6,154.39/x
  3. Step 3: Cross multiply
    10,934.20x = 15,087.68 × 6,154.39
  4. Step 4: Simplify right side
    10,934.20x = 92,855,391.48
  5. Step 5: Solve for x
    x = 92,855,391.48/10,934.20
  6. Step 6: Final answer
    x = 8,492.20

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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.