Home / 11,207.16-15,465.25-6,171.18

Finding the Fourth Proportional to 11,207.16, 15,465.25 and 6,171.18

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Solution

The fourth proportional to 11,207.16, 15,465.25 and 6,171.18 is: 8,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.16 : 15,465.25 = 6,171.18 : x
  2. Step 2: Convert to fraction form
    11,207.16/15,465.25 = 6,171.18/x
  3. Step 3: Cross multiply
    11,207.16x = 15,465.25 × 6,171.18
  4. Step 4: Simplify right side
    11,207.16x = 95,438,841.50
  5. Step 5: Solve for x
    x = 95,438,841.50/11,207.16
  6. Step 6: Final answer
    x = 8,515.88

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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.