Home / 12,475.44-18,713.48-3,710.43

Finding the Fourth Proportional to 12,475.44, 18,713.48 and 3,710.43

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Solution

The fourth proportional to 12,475.44, 18,713.48 and 3,710.43 is: 5,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.44 : 18,713.48 = 3,710.43 : x
  2. Step 2: Convert to fraction form
    12,475.44/18,713.48 = 3,710.43/x
  3. Step 3: Cross multiply
    12,475.44x = 18,713.48 × 3,710.43
  4. Step 4: Simplify right side
    12,475.44x = 69,435,039.04
  5. Step 5: Solve for x
    x = 69,435,039.04/12,475.44
  6. Step 6: Final answer
    x = 5,565.74

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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.