Home / 11,617.65-17,414.29-5,686.36

Finding the Fourth Proportional to 11,617.65, 17,414.29 and 5,686.36

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Solution

The fourth proportional to 11,617.65, 17,414.29 and 5,686.36 is: 8,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.65 : 17,414.29 = 5,686.36 : x
  2. Step 2: Convert to fraction form
    11,617.65/17,414.29 = 5,686.36/x
  3. Step 3: Cross multiply
    11,617.65x = 17,414.29 × 5,686.36
  4. Step 4: Simplify right side
    11,617.65x = 99,023,885.66
  5. Step 5: Solve for x
    x = 99,023,885.66/11,617.65
  6. Step 6: Final answer
    x = 8,523.57

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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.