Home / 11,350.61-15,665.22-6,874.25

Finding the Fourth Proportional to 11,350.61, 15,665.22 and 6,874.25

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Solution

The fourth proportional to 11,350.61, 15,665.22 and 6,874.25 is: 9,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.61 : 15,665.22 = 6,874.25 : x
  2. Step 2: Convert to fraction form
    11,350.61/15,665.22 = 6,874.25/x
  3. Step 3: Cross multiply
    11,350.61x = 15,665.22 × 6,874.25
  4. Step 4: Simplify right side
    11,350.61x = 107,686,560.26
  5. Step 5: Solve for x
    x = 107,686,560.26/11,350.61
  6. Step 6: Final answer
    x = 9,487.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.