Home / 11,508.89-17,247.59-8,695.41

Finding the Fourth Proportional to 11,508.89, 17,247.59 and 8,695.41

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Solution

The fourth proportional to 11,508.89, 17,247.59 and 8,695.41 is: 13,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.89 : 17,247.59 = 8,695.41 : x
  2. Step 2: Convert to fraction form
    11,508.89/17,247.59 = 8,695.41/x
  3. Step 3: Cross multiply
    11,508.89x = 17,247.59 × 8,695.41
  4. Step 4: Simplify right side
    11,508.89x = 149,974,863.58
  5. Step 5: Solve for x
    x = 149,974,863.58/11,508.89
  6. Step 6: Final answer
    x = 13,031.22

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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.