Home / 11,948.06-17,891.85-8,829.02

Finding the Fourth Proportional to 11,948.06, 17,891.85 and 8,829.02

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Solution

The fourth proportional to 11,948.06, 17,891.85 and 8,829.02 is: 13,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.06 : 17,891.85 = 8,829.02 : x
  2. Step 2: Convert to fraction form
    11,948.06/17,891.85 = 8,829.02/x
  3. Step 3: Cross multiply
    11,948.06x = 17,891.85 × 8,829.02
  4. Step 4: Simplify right side
    11,948.06x = 157,967,501.49
  5. Step 5: Solve for x
    x = 157,967,501.49/11,948.06
  6. Step 6: Final answer
    x = 13,221.18

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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.