Home / 10,166.55-15,248.09-2,769.28

Finding the Fourth Proportional to 10,166.55, 15,248.09 and 2,769.28

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Solution

The fourth proportional to 10,166.55, 15,248.09 and 2,769.28 is: 4,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.55 : 15,248.09 = 2,769.28 : x
  2. Step 2: Convert to fraction form
    10,166.55/15,248.09 = 2,769.28/x
  3. Step 3: Cross multiply
    10,166.55x = 15,248.09 × 2,769.28
  4. Step 4: Simplify right side
    10,166.55x = 42,226,214.20
  5. Step 5: Solve for x
    x = 42,226,214.20/10,166.55
  6. Step 6: Final answer
    x = 4,153.45

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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.