Home / 8,061.12-12,098.36-4,115.31

Finding the Fourth Proportional to 8,061.12, 12,098.36 and 4,115.31

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Solution

The fourth proportional to 8,061.12, 12,098.36 and 4,115.31 is: 6,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.12 : 12,098.36 = 4,115.31 : x
  2. Step 2: Convert to fraction form
    8,061.12/12,098.36 = 4,115.31/x
  3. Step 3: Cross multiply
    8,061.12x = 12,098.36 × 4,115.31
  4. Step 4: Simplify right side
    8,061.12x = 49,788,466.81
  5. Step 5: Solve for x
    x = 49,788,466.81/8,061.12
  6. Step 6: Final answer
    x = 6,176.37

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1.5x scale

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.