Home / 10,254.69-15,382.44-3,681.81

Finding the Fourth Proportional to 10,254.69, 15,382.44 and 3,681.81

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Solution

The fourth proportional to 10,254.69, 15,382.44 and 3,681.81 is: 5,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.69 : 15,382.44 = 3,681.81 : x
  2. Step 2: Convert to fraction form
    10,254.69/15,382.44 = 3,681.81/x
  3. Step 3: Cross multiply
    10,254.69x = 15,382.44 × 3,681.81
  4. Step 4: Simplify right side
    10,254.69x = 56,635,221.42
  5. Step 5: Solve for x
    x = 56,635,221.42/10,254.69
  6. Step 6: Final answer
    x = 5,522.86

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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.