Home / 11,168.08-15,412.11-6,132.75

Finding the Fourth Proportional to 11,168.08, 15,412.11 and 6,132.75

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Solution

The fourth proportional to 11,168.08, 15,412.11 and 6,132.75 is: 8,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.08 : 15,412.11 = 6,132.75 : x
  2. Step 2: Convert to fraction form
    11,168.08/15,412.11 = 6,132.75/x
  3. Step 3: Cross multiply
    11,168.08x = 15,412.11 × 6,132.75
  4. Step 4: Simplify right side
    11,168.08x = 94,518,617.60
  5. Step 5: Solve for x
    x = 94,518,617.60/11,168.08
  6. Step 6: Final answer
    x = 8,463.28

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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.