Home / 12,502.18-18,744.90-5,104.63

Finding the Fourth Proportional to 12,502.18, 18,744.90 and 5,104.63

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Solution

The fourth proportional to 12,502.18, 18,744.90 and 5,104.63 is: 7,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.18 : 18,744.90 = 5,104.63 : x
  2. Step 2: Convert to fraction form
    12,502.18/18,744.90 = 5,104.63/x
  3. Step 3: Cross multiply
    12,502.18x = 18,744.90 × 5,104.63
  4. Step 4: Simplify right side
    12,502.18x = 95,685,778.89
  5. Step 5: Solve for x
    x = 95,685,778.89/12,502.18
  6. Step 6: Final answer
    x = 7,653.53

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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.