Home / 11,166.89-16,753.12-4,148.90

Finding the Fourth Proportional to 11,166.89, 16,753.12 and 4,148.90

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Solution

The fourth proportional to 11,166.89, 16,753.12 and 4,148.90 is: 6,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.89 : 16,753.12 = 4,148.90 : x
  2. Step 2: Convert to fraction form
    11,166.89/16,753.12 = 4,148.90/x
  3. Step 3: Cross multiply
    11,166.89x = 16,753.12 × 4,148.90
  4. Step 4: Simplify right side
    11,166.89x = 69,507,019.57
  5. Step 5: Solve for x
    x = 69,507,019.57/11,166.89
  6. Step 6: Final answer
    x = 6,224.38

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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.