Home / 12,366.21-17,062.32-7,331.61

Finding the Fourth Proportional to 12,366.21, 17,062.32 and 7,331.61

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Solution

The fourth proportional to 12,366.21, 17,062.32 and 7,331.61 is: 10,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.21 : 17,062.32 = 7,331.61 : x
  2. Step 2: Convert to fraction form
    12,366.21/17,062.32 = 7,331.61/x
  3. Step 3: Cross multiply
    12,366.21x = 17,062.32 × 7,331.61
  4. Step 4: Simplify right side
    12,366.21x = 125,094,275.94
  5. Step 5: Solve for x
    x = 125,094,275.94/12,366.21
  6. Step 6: Final answer
    x = 10,115.81

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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.