Home / 11,108.69-15,327.46-6,633.89

Finding the Fourth Proportional to 11,108.69, 15,327.46 and 6,633.89

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Solution

The fourth proportional to 11,108.69, 15,327.46 and 6,633.89 is: 9,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.69 : 15,327.46 = 6,633.89 : x
  2. Step 2: Convert to fraction form
    11,108.69/15,327.46 = 6,633.89/x
  3. Step 3: Cross multiply
    11,108.69x = 15,327.46 × 6,633.89
  4. Step 4: Simplify right side
    11,108.69x = 101,680,683.62
  5. Step 5: Solve for x
    x = 101,680,683.62/11,108.69
  6. Step 6: Final answer
    x = 9,153.26

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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.