Home / 11,549.01-15,937.62-6,243.81

Finding the Fourth Proportional to 11,549.01, 15,937.62 and 6,243.81

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Solution

The fourth proportional to 11,549.01, 15,937.62 and 6,243.81 is: 8,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.01 : 15,937.62 = 6,243.81 : x
  2. Step 2: Convert to fraction form
    11,549.01/15,937.62 = 6,243.81/x
  3. Step 3: Cross multiply
    11,549.01x = 15,937.62 × 6,243.81
  4. Step 4: Simplify right side
    11,549.01x = 99,511,471.13
  5. Step 5: Solve for x
    x = 99,511,471.13/11,549.01
  6. Step 6: Final answer
    x = 8,616.45

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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.