Home / 11,231.16-15,499.12-6,195.60

Finding the Fourth Proportional to 11,231.16, 15,499.12 and 6,195.60

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Solution

The fourth proportional to 11,231.16, 15,499.12 and 6,195.60 is: 8,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.16 : 15,499.12 = 6,195.60 : x
  2. Step 2: Convert to fraction form
    11,231.16/15,499.12 = 6,195.60/x
  3. Step 3: Cross multiply
    11,231.16x = 15,499.12 × 6,195.60
  4. Step 4: Simplify right side
    11,231.16x = 96,026,347.87
  5. Step 5: Solve for x
    x = 96,026,347.87/11,231.16
  6. Step 6: Final answer
    x = 8,549.99

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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.