Home / 10,934.10-16,401.15-10,089.30

Finding the Fourth Proportional to 10,934.10, 16,401.15 and 10,089.30

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Solution

The fourth proportional to 10,934.10, 16,401.15 and 10,089.30 is: 15,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.10 : 16,401.15 = 10,089.30 : x
  2. Step 2: Convert to fraction form
    10,934.10/16,401.15 = 10,089.30/x
  3. Step 3: Cross multiply
    10,934.10x = 16,401.15 × 10,089.30
  4. Step 4: Simplify right side
    10,934.10x = 165,476,122.70
  5. Step 5: Solve for x
    x = 165,476,122.70/10,934.10
  6. Step 6: Final answer
    x = 15,133.95

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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.