Home / 8,069.59-12,101.67-3,070.78

Finding the Fourth Proportional to 8,069.59, 12,101.67 and 3,070.78

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Solution

The fourth proportional to 8,069.59, 12,101.67 and 3,070.78 is: 4,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.59 : 12,101.67 = 3,070.78 : x
  2. Step 2: Convert to fraction form
    8,069.59/12,101.67 = 3,070.78/x
  3. Step 3: Cross multiply
    8,069.59x = 12,101.67 × 3,070.78
  4. Step 4: Simplify right side
    8,069.59x = 37,161,562.36
  5. Step 5: Solve for x
    x = 37,161,562.36/8,069.59
  6. Step 6: Final answer
    x = 4,605.13

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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.