Home / 11,724.12-16,177.74-7,531.56

Finding the Fourth Proportional to 11,724.12, 16,177.74 and 7,531.56

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Solution

The fourth proportional to 11,724.12, 16,177.74 and 7,531.56 is: 10,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.12 : 16,177.74 = 7,531.56 : x
  2. Step 2: Convert to fraction form
    11,724.12/16,177.74 = 7,531.56/x
  3. Step 3: Cross multiply
    11,724.12x = 16,177.74 × 7,531.56
  4. Step 4: Simplify right side
    11,724.12x = 121,843,619.47
  5. Step 5: Solve for x
    x = 121,843,619.47/11,724.12
  6. Step 6: Final answer
    x = 10,392.56

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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.