Home / 11,177.66-15,425.46-6,142.01

Finding the Fourth Proportional to 11,177.66, 15,425.46 and 6,142.01

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Solution

The fourth proportional to 11,177.66, 15,425.46 and 6,142.01 is: 8,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.66 : 15,425.46 = 6,142.01 : x
  2. Step 2: Convert to fraction form
    11,177.66/15,425.46 = 6,142.01/x
  3. Step 3: Cross multiply
    11,177.66x = 15,425.46 × 6,142.01
  4. Step 4: Simplify right side
    11,177.66x = 94,743,329.57
  5. Step 5: Solve for x
    x = 94,743,329.57/11,177.66
  6. Step 6: Final answer
    x = 8,476.13

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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.