Home / 11,120.20-15,418.39-10,594.12

Finding the Fourth Proportional to 11,120.20, 15,418.39 and 10,594.12

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Solution

The fourth proportional to 11,120.20, 15,418.39 and 10,594.12 is: 14,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.20 : 15,418.39 = 10,594.12 : x
  2. Step 2: Convert to fraction form
    11,120.20/15,418.39 = 10,594.12/x
  3. Step 3: Cross multiply
    11,120.20x = 15,418.39 × 10,594.12
  4. Step 4: Simplify right side
    11,120.20x = 163,344,273.87
  5. Step 5: Solve for x
    x = 163,344,273.87/11,120.20
  6. Step 6: Final answer
    x = 14,688.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.