Home / 8,071.18-12,106.77-3,687.46

Finding the Fourth Proportional to 8,071.18, 12,106.77 and 3,687.46

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Solution

The fourth proportional to 8,071.18, 12,106.77 and 3,687.46 is: 5,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.18 : 12,106.77 = 3,687.46 : x
  2. Step 2: Convert to fraction form
    8,071.18/12,106.77 = 3,687.46/x
  3. Step 3: Cross multiply
    8,071.18x = 12,106.77 × 3,687.46
  4. Step 4: Simplify right side
    8,071.18x = 44,643,230.10
  5. Step 5: Solve for x
    x = 44,643,230.10/8,071.18
  6. Step 6: Final answer
    x = 5,531.19

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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.