Home / 10,934.10-16,401.15-7,434.90

Finding the Fourth Proportional to 10,934.10, 16,401.15 and 7,434.90

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Solution

The fourth proportional to 10,934.10, 16,401.15 and 7,434.90 is: 11,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.10 : 16,401.15 = 7,434.90 : x
  2. Step 2: Convert to fraction form
    10,934.10/16,401.15 = 7,434.90/x
  3. Step 3: Cross multiply
    10,934.10x = 16,401.15 × 7,434.90
  4. Step 4: Simplify right side
    10,934.10x = 121,940,910.14
  5. Step 5: Solve for x
    x = 121,940,910.14/10,934.10
  6. Step 6: Final answer
    x = 11,152.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.