Home / 12,440.35-18,660.41-5,043.06

Finding the Fourth Proportional to 12,440.35, 18,660.41 and 5,043.06

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Solution

The fourth proportional to 12,440.35, 18,660.41 and 5,043.06 is: 7,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.35 : 18,660.41 = 5,043.06 : x
  2. Step 2: Convert to fraction form
    12,440.35/18,660.41 = 5,043.06/x
  3. Step 3: Cross multiply
    12,440.35x = 18,660.41 × 5,043.06
  4. Step 4: Simplify right side
    12,440.35x = 94,105,560.95
  5. Step 5: Solve for x
    x = 94,105,560.95/12,440.35
  6. Step 6: Final answer
    x = 7,564.54

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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.