Home / 11,186.30-16,781.38-4,608.90

Finding the Fourth Proportional to 11,186.30, 16,781.38 and 4,608.90

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Solution

The fourth proportional to 11,186.30, 16,781.38 and 4,608.90 is: 6,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.30 : 16,781.38 = 4,608.90 : x
  2. Step 2: Convert to fraction form
    11,186.30/16,781.38 = 4,608.90/x
  3. Step 3: Cross multiply
    11,186.30x = 16,781.38 × 4,608.90
  4. Step 4: Simplify right side
    11,186.30x = 77,343,690.76
  5. Step 5: Solve for x
    x = 77,343,690.76/11,186.30
  6. Step 6: Final answer
    x = 6,914.14

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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.