Home / 10,076.51-15,114.80-3,502.75

Finding the Fourth Proportional to 10,076.51, 15,114.80 and 3,502.75

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Solution

The fourth proportional to 10,076.51, 15,114.80 and 3,502.75 is: 5,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.51 : 15,114.80 = 3,502.75 : x
  2. Step 2: Convert to fraction form
    10,076.51/15,114.80 = 3,502.75/x
  3. Step 3: Cross multiply
    10,076.51x = 15,114.80 × 3,502.75
  4. Step 4: Simplify right side
    10,076.51x = 52,943,365.70
  5. Step 5: Solve for x
    x = 52,943,365.70/10,076.51
  6. Step 6: Final answer
    x = 5,254.14

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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.