Home / 11,547.42-17,321.14-4,151.88

Finding the Fourth Proportional to 11,547.42, 17,321.14 and 4,151.88

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Solution

The fourth proportional to 11,547.42, 17,321.14 and 4,151.88 is: 6,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.42 : 17,321.14 = 4,151.88 : x
  2. Step 2: Convert to fraction form
    11,547.42/17,321.14 = 4,151.88/x
  3. Step 3: Cross multiply
    11,547.42x = 17,321.14 × 4,151.88
  4. Step 4: Simplify right side
    11,547.42x = 71,915,327.30
  5. Step 5: Solve for x
    x = 71,915,327.30/11,547.42
  6. Step 6: Final answer
    x = 6,227.82

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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.