Home / 10,160.32-15,241.51-2,765.36

Finding the Fourth Proportional to 10,160.32, 15,241.51 and 2,765.36

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Solution

The fourth proportional to 10,160.32, 15,241.51 and 2,765.36 is: 4,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.32 : 15,241.51 = 2,765.36 : x
  2. Step 2: Convert to fraction form
    10,160.32/15,241.51 = 2,765.36/x
  3. Step 3: Cross multiply
    10,160.32x = 15,241.51 × 2,765.36
  4. Step 4: Simplify right side
    10,160.32x = 42,148,248.13
  5. Step 5: Solve for x
    x = 42,148,248.13/10,160.32
  6. Step 6: Final answer
    x = 4,148.32

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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.