Home / 8,088.36-12,116.34-3,699.80

Finding the Fourth Proportional to 8,088.36, 12,116.34 and 3,699.80

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Solution

The fourth proportional to 8,088.36, 12,116.34 and 3,699.80 is: 5,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.36 : 12,116.34 = 3,699.80 : x
  2. Step 2: Convert to fraction form
    8,088.36/12,116.34 = 3,699.80/x
  3. Step 3: Cross multiply
    8,088.36x = 12,116.34 × 3,699.80
  4. Step 4: Simplify right side
    8,088.36x = 44,828,034.73
  5. Step 5: Solve for x
    x = 44,828,034.73/8,088.36
  6. Step 6: Final answer
    x = 5,542.29

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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.