Home / 10,531.56-15,798.26-2,740.38

Finding the Fourth Proportional to 10,531.56, 15,798.26 and 2,740.38

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Solution

The fourth proportional to 10,531.56, 15,798.26 and 2,740.38 is: 4,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.56 : 15,798.26 = 2,740.38 : x
  2. Step 2: Convert to fraction form
    10,531.56/15,798.26 = 2,740.38/x
  3. Step 3: Cross multiply
    10,531.56x = 15,798.26 × 2,740.38
  4. Step 4: Simplify right side
    10,531.56x = 43,293,235.74
  5. Step 5: Solve for x
    x = 43,293,235.74/10,531.56
  6. Step 6: Final answer
    x = 4,110.81

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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.