Home / 10,440.06-15,660.02-2,648.94

Finding the Fourth Proportional to 10,440.06, 15,660.02 and 2,648.94

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Solution

The fourth proportional to 10,440.06, 15,660.02 and 2,648.94 is: 3,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.06 : 15,660.02 = 2,648.94 : x
  2. Step 2: Convert to fraction form
    10,440.06/15,660.02 = 2,648.94/x
  3. Step 3: Cross multiply
    10,440.06x = 15,660.02 × 2,648.94
  4. Step 4: Simplify right side
    10,440.06x = 41,482,453.38
  5. Step 5: Solve for x
    x = 41,482,453.38/10,440.06
  6. Step 6: Final answer
    x = 3,973.39

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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.