Home / 11,231.10-15,499.02-6,195.51

Finding the Fourth Proportional to 11,231.10, 15,499.02 and 6,195.51

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Solution

The fourth proportional to 11,231.10, 15,499.02 and 6,195.51 is: 8,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.10 : 15,499.02 = 6,195.51 : x
  2. Step 2: Convert to fraction form
    11,231.10/15,499.02 = 6,195.51/x
  3. Step 3: Cross multiply
    11,231.10x = 15,499.02 × 6,195.51
  4. Step 4: Simplify right side
    11,231.10x = 96,024,333.40
  5. Step 5: Solve for x
    x = 96,024,333.40/11,231.10
  6. Step 6: Final answer
    x = 8,549.86

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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.