Home / 11,162.14-15,404.24-6,685.04

Finding the Fourth Proportional to 11,162.14, 15,404.24 and 6,685.04

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Solution

The fourth proportional to 11,162.14, 15,404.24 and 6,685.04 is: 9,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.14 : 15,404.24 = 6,685.04 : x
  2. Step 2: Convert to fraction form
    11,162.14/15,404.24 = 6,685.04/x
  3. Step 3: Cross multiply
    11,162.14x = 15,404.24 × 6,685.04
  4. Step 4: Simplify right side
    11,162.14x = 102,977,960.57
  5. Step 5: Solve for x
    x = 102,977,960.57/11,162.14
  6. Step 6: Final answer
    x = 9,225.65

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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.