Home / 10,076.95-15,115.35-2,681.93

Finding the Fourth Proportional to 10,076.95, 15,115.35 and 2,681.93

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Solution

The fourth proportional to 10,076.95, 15,115.35 and 2,681.93 is: 4,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.95 : 15,115.35 = 2,681.93 : x
  2. Step 2: Convert to fraction form
    10,076.95/15,115.35 = 2,681.93/x
  3. Step 3: Cross multiply
    10,076.95x = 15,115.35 × 2,681.93
  4. Step 4: Simplify right side
    10,076.95x = 40,538,310.63
  5. Step 5: Solve for x
    x = 40,538,310.63/10,076.95
  6. Step 6: Final answer
    x = 4,022.88

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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.