Home / 8,266.16-12,400.92-3,071.60

Finding the Fourth Proportional to 8,266.16, 12,400.92 and 3,071.60

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Solution

The fourth proportional to 8,266.16, 12,400.92 and 3,071.60 is: 4,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.16 : 12,400.92 = 3,071.60 : x
  2. Step 2: Convert to fraction form
    8,266.16/12,400.92 = 3,071.60/x
  3. Step 3: Cross multiply
    8,266.16x = 12,400.92 × 3,071.60
  4. Step 4: Simplify right side
    8,266.16x = 38,090,665.87
  5. Step 5: Solve for x
    x = 38,090,665.87/8,266.16
  6. Step 6: Final answer
    x = 4,608.02

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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.