Home / 11,168.45-15,412.53-6,132.89

Finding the Fourth Proportional to 11,168.45, 15,412.53 and 6,132.89

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Solution

The fourth proportional to 11,168.45, 15,412.53 and 6,132.89 is: 8,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.45 : 15,412.53 = 6,132.89 : x
  2. Step 2: Convert to fraction form
    11,168.45/15,412.53 = 6,132.89/x
  3. Step 3: Cross multiply
    11,168.45x = 15,412.53 × 6,132.89
  4. Step 4: Simplify right side
    11,168.45x = 94,523,351.11
  5. Step 5: Solve for x
    x = 94,523,351.11/11,168.45
  6. Step 6: Final answer
    x = 8,463.43

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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.