Home / 12,547.97-17,316.70-6,882.92

Finding the Fourth Proportional to 12,547.97, 17,316.70 and 6,882.92

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Solution

The fourth proportional to 12,547.97, 17,316.70 and 6,882.92 is: 9,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.97 : 17,316.70 = 6,882.92 : x
  2. Step 2: Convert to fraction form
    12,547.97/17,316.70 = 6,882.92/x
  3. Step 3: Cross multiply
    12,547.97x = 17,316.70 × 6,882.92
  4. Step 4: Simplify right side
    12,547.97x = 119,189,469.64
  5. Step 5: Solve for x
    x = 119,189,469.64/12,547.97
  6. Step 6: Final answer
    x = 9,498.70

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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.