Home / 11,168.12-15,412.37-6,132.90

Finding the Fourth Proportional to 11,168.12, 15,412.37 and 6,132.90

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Solution

The fourth proportional to 11,168.12, 15,412.37 and 6,132.90 is: 8,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.12 : 15,412.37 = 6,132.90 : x
  2. Step 2: Convert to fraction form
    11,168.12/15,412.37 = 6,132.90/x
  3. Step 3: Cross multiply
    11,168.12x = 15,412.37 × 6,132.90
  4. Step 4: Simplify right side
    11,168.12x = 94,522,493.31
  5. Step 5: Solve for x
    x = 94,522,493.31/11,168.12
  6. Step 6: Final answer
    x = 8,463.60

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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.