Home / 11,470.78-17,206.16-3,150.83

Finding the Fourth Proportional to 11,470.78, 17,206.16 and 3,150.83

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Solution

The fourth proportional to 11,470.78, 17,206.16 and 3,150.83 is: 4,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.78 : 17,206.16 = 3,150.83 : x
  2. Step 2: Convert to fraction form
    11,470.78/17,206.16 = 3,150.83/x
  3. Step 3: Cross multiply
    11,470.78x = 17,206.16 × 3,150.83
  4. Step 4: Simplify right side
    11,470.78x = 54,213,685.11
  5. Step 5: Solve for x
    x = 54,213,685.11/11,470.78
  6. Step 6: Final answer
    x = 4,726.24

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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.