Home / 10,369.13-15,553.56-2,577.89

Finding the Fourth Proportional to 10,369.13, 15,553.56 and 2,577.89

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Solution

The fourth proportional to 10,369.13, 15,553.56 and 2,577.89 is: 3,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.13 : 15,553.56 = 2,577.89 : x
  2. Step 2: Convert to fraction form
    10,369.13/15,553.56 = 2,577.89/x
  3. Step 3: Cross multiply
    10,369.13x = 15,553.56 × 2,577.89
  4. Step 4: Simplify right side
    10,369.13x = 40,095,366.79
  5. Step 5: Solve for x
    x = 40,095,366.79/10,369.13
  6. Step 6: Final answer
    x = 3,866.80

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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.