Home / 12,370.80-18,560.52-3,606.24

Finding the Fourth Proportional to 12,370.80, 18,560.52 and 3,606.24

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Solution

The fourth proportional to 12,370.80, 18,560.52 and 3,606.24 is: 5,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.80 : 18,560.52 = 3,606.24 : x
  2. Step 2: Convert to fraction form
    12,370.80/18,560.52 = 3,606.24/x
  3. Step 3: Cross multiply
    12,370.80x = 18,560.52 × 3,606.24
  4. Step 4: Simplify right side
    12,370.80x = 66,933,689.64
  5. Step 5: Solve for x
    x = 66,933,689.64/12,370.80
  6. Step 6: Final answer
    x = 5,410.62

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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.