Home / 8,731.22-13,099.40-5,036.10

Finding the Fourth Proportional to 8,731.22, 13,099.40 and 5,036.10

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Solution

The fourth proportional to 8,731.22, 13,099.40 and 5,036.10 is: 7,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.22 : 13,099.40 = 5,036.10 : x
  2. Step 2: Convert to fraction form
    8,731.22/13,099.40 = 5,036.10/x
  3. Step 3: Cross multiply
    8,731.22x = 13,099.40 × 5,036.10
  4. Step 4: Simplify right side
    8,731.22x = 65,969,797.66
  5. Step 5: Solve for x
    x = 65,969,797.66/8,731.22
  6. Step 6: Final answer
    x = 7,555.63

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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.