Home / 12,467.28-18,710.16-5,895.48

Finding the Fourth Proportional to 12,467.28, 18,710.16 and 5,895.48

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Solution

The fourth proportional to 12,467.28, 18,710.16 and 5,895.48 is: 8,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.28 : 18,710.16 = 5,895.48 : x
  2. Step 2: Convert to fraction form
    12,467.28/18,710.16 = 5,895.48/x
  3. Step 3: Cross multiply
    12,467.28x = 18,710.16 × 5,895.48
  4. Step 4: Simplify right side
    12,467.28x = 110,305,374.08
  5. Step 5: Solve for x
    x = 110,305,374.08/12,467.28
  6. Step 6: Final answer
    x = 8,847.59

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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.