Home / 13,377.92-18,462.22-7,410.24

Finding the Fourth Proportional to 13,377.92, 18,462.22 and 7,410.24

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Solution

The fourth proportional to 13,377.92, 18,462.22 and 7,410.24 is: 10,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.92 : 18,462.22 = 7,410.24 : x
  2. Step 2: Convert to fraction form
    13,377.92/18,462.22 = 7,410.24/x
  3. Step 3: Cross multiply
    13,377.92x = 18,462.22 × 7,410.24
  4. Step 4: Simplify right side
    13,377.92x = 136,809,481.13
  5. Step 5: Solve for x
    x = 136,809,481.13/13,377.92
  6. Step 6: Final answer
    x = 10,226.51

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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.