Home / 11,224.66-15,490.14-6,189.07

Finding the Fourth Proportional to 11,224.66, 15,490.14 and 6,189.07

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Solution

The fourth proportional to 11,224.66, 15,490.14 and 6,189.07 is: 8,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.66 : 15,490.14 = 6,189.07 : x
  2. Step 2: Convert to fraction form
    11,224.66/15,490.14 = 6,189.07/x
  3. Step 3: Cross multiply
    11,224.66x = 15,490.14 × 6,189.07
  4. Step 4: Simplify right side
    11,224.66x = 95,869,560.77
  5. Step 5: Solve for x
    x = 95,869,560.77/11,224.66
  6. Step 6: Final answer
    x = 8,540.98

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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.