Home / 12,548.25-17,315.91-6,882.90

Finding the Fourth Proportional to 12,548.25, 17,315.91 and 6,882.90

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Solution

The fourth proportional to 12,548.25, 17,315.91 and 6,882.90 is: 9,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.25 : 17,315.91 = 6,882.90 : x
  2. Step 2: Convert to fraction form
    12,548.25/17,315.91 = 6,882.90/x
  3. Step 3: Cross multiply
    12,548.25x = 17,315.91 × 6,882.90
  4. Step 4: Simplify right side
    12,548.25x = 119,183,689.74
  5. Step 5: Solve for x
    x = 119,183,689.74/12,548.25
  6. Step 6: Final answer
    x = 9,498.03

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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.