Home / 11,423.11-15,757.32-6,706.48

Finding the Fourth Proportional to 11,423.11, 15,757.32 and 6,706.48

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Solution

The fourth proportional to 11,423.11, 15,757.32 and 6,706.48 is: 9,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.11 : 15,757.32 = 6,706.48 : x
  2. Step 2: Convert to fraction form
    11,423.11/15,757.32 = 6,706.48/x
  3. Step 3: Cross multiply
    11,423.11x = 15,757.32 × 6,706.48
  4. Step 4: Simplify right side
    11,423.11x = 105,676,151.43
  5. Step 5: Solve for x
    x = 105,676,151.43/11,423.11
  6. Step 6: Final answer
    x = 9,251.08

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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.