Home / 10,482.32-15,726.09-3,086.76

Finding the Fourth Proportional to 10,482.32, 15,726.09 and 3,086.76

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Solution

The fourth proportional to 10,482.32, 15,726.09 and 3,086.76 is: 4,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.32 : 15,726.09 = 3,086.76 : x
  2. Step 2: Convert to fraction form
    10,482.32/15,726.09 = 3,086.76/x
  3. Step 3: Cross multiply
    10,482.32x = 15,726.09 × 3,086.76
  4. Step 4: Simplify right side
    10,482.32x = 48,542,665.57
  5. Step 5: Solve for x
    x = 48,542,665.57/10,482.32
  6. Step 6: Final answer
    x = 4,630.91

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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.