Home / 12,440.48-18,660.56-5,044.88

Finding the Fourth Proportional to 12,440.48, 18,660.56 and 5,044.88

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Solution

The fourth proportional to 12,440.48, 18,660.56 and 5,044.88 is: 7,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.48 : 18,660.56 = 5,044.88 : x
  2. Step 2: Convert to fraction form
    12,440.48/18,660.56 = 5,044.88/x
  3. Step 3: Cross multiply
    12,440.48x = 18,660.56 × 5,044.88
  4. Step 4: Simplify right side
    12,440.48x = 94,140,285.93
  5. Step 5: Solve for x
    x = 94,140,285.93/12,440.48
  6. Step 6: Final answer
    x = 7,567.26

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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.