Home / 10,326.64-15,479.30-4,084.12

Finding the Fourth Proportional to 10,326.64, 15,479.30 and 4,084.12

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Solution

The fourth proportional to 10,326.64, 15,479.30 and 4,084.12 is: 6,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.64 : 15,479.30 = 4,084.12 : x
  2. Step 2: Convert to fraction form
    10,326.64/15,479.30 = 4,084.12/x
  3. Step 3: Cross multiply
    10,326.64x = 15,479.30 × 4,084.12
  4. Step 4: Simplify right side
    10,326.64x = 63,219,348.28
  5. Step 5: Solve for x
    x = 63,219,348.28/10,326.64
  6. Step 6: Final answer
    x = 6,121.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.