Home / 10,275.29-15,403.50-3,699.88

Finding the Fourth Proportional to 10,275.29, 15,403.50 and 3,699.88

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Solution

The fourth proportional to 10,275.29, 15,403.50 and 3,699.88 is: 5,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.29 : 15,403.50 = 3,699.88 : x
  2. Step 2: Convert to fraction form
    10,275.29/15,403.50 = 3,699.88/x
  3. Step 3: Cross multiply
    10,275.29x = 15,403.50 × 3,699.88
  4. Step 4: Simplify right side
    10,275.29x = 56,991,063.07
  5. Step 5: Solve for x
    x = 56,991,063.07/10,275.29
  6. Step 6: Final answer
    x = 5,546.42

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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.