Home / 10,292.63-15,440.40-3,177.46

Finding the Fourth Proportional to 10,292.63, 15,440.40 and 3,177.46

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Solution

The fourth proportional to 10,292.63, 15,440.40 and 3,177.46 is: 4,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.63 : 15,440.40 = 3,177.46 : x
  2. Step 2: Convert to fraction form
    10,292.63/15,440.40 = 3,177.46/x
  3. Step 3: Cross multiply
    10,292.63x = 15,440.40 × 3,177.46
  4. Step 4: Simplify right side
    10,292.63x = 49,061,272.68
  5. Step 5: Solve for x
    x = 49,061,272.68/10,292.63
  6. Step 6: Final answer
    x = 4,766.64

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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.