Home / 7,766.31-11,652.72-4,070.97

Finding the Fourth Proportional to 7,766.31, 11,652.72 and 4,070.97

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Solution

The fourth proportional to 7,766.31, 11,652.72 and 4,070.97 is: 6,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.31 : 11,652.72 = 4,070.97 : x
  2. Step 2: Convert to fraction form
    7,766.31/11,652.72 = 4,070.97/x
  3. Step 3: Cross multiply
    7,766.31x = 11,652.72 × 4,070.97
  4. Step 4: Simplify right side
    7,766.31x = 47,437,873.54
  5. Step 5: Solve for x
    x = 47,437,873.54/7,766.31
  6. Step 6: Final answer
    x = 6,108.16

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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.