Home / 12,382.32-17,085.80-6,793.32

Finding the Fourth Proportional to 12,382.32, 17,085.80 and 6,793.32

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Solution

The fourth proportional to 12,382.32, 17,085.80 and 6,793.32 is: 9,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.32 : 17,085.80 = 6,793.32 : x
  2. Step 2: Convert to fraction form
    12,382.32/17,085.80 = 6,793.32/x
  3. Step 3: Cross multiply
    12,382.32x = 17,085.80 × 6,793.32
  4. Step 4: Simplify right side
    12,382.32x = 116,069,306.86
  5. Step 5: Solve for x
    x = 116,069,306.86/12,382.32
  6. Step 6: Final answer
    x = 9,373.79

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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.