Home / 8,666.26-11,959.16-5,481.29

Finding the Fourth Proportional to 8,666.26, 11,959.16 and 5,481.29

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Solution

The fourth proportional to 8,666.26, 11,959.16 and 5,481.29 is: 7,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.26 : 11,959.16 = 5,481.29 : x
  2. Step 2: Convert to fraction form
    8,666.26/11,959.16 = 5,481.29/x
  3. Step 3: Cross multiply
    8,666.26x = 11,959.16 × 5,481.29
  4. Step 4: Simplify right side
    8,666.26x = 65,551,626.61
  5. Step 5: Solve for x
    x = 65,551,626.61/8,666.26
  6. Step 6: Final answer
    x = 7,564.01

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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.