Home / 10,076.93-15,115.53-2,681.35

Finding the Fourth Proportional to 10,076.93, 15,115.53 and 2,681.35

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Solution

The fourth proportional to 10,076.93, 15,115.53 and 2,681.35 is: 4,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.93 : 15,115.53 = 2,681.35 : x
  2. Step 2: Convert to fraction form
    10,076.93/15,115.53 = 2,681.35/x
  3. Step 3: Cross multiply
    10,076.93x = 15,115.53 × 2,681.35
  4. Step 4: Simplify right side
    10,076.93x = 40,529,983.55
  5. Step 5: Solve for x
    x = 40,529,983.55/10,076.93
  6. Step 6: Final answer
    x = 4,022.05

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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.