Home / 10,305.14-15,448.28-3,729.82

Finding the Fourth Proportional to 10,305.14, 15,448.28 and 3,729.82

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Solution

The fourth proportional to 10,305.14, 15,448.28 and 3,729.82 is: 5,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.14 : 15,448.28 = 3,729.82 : x
  2. Step 2: Convert to fraction form
    10,305.14/15,448.28 = 3,729.82/x
  3. Step 3: Cross multiply
    10,305.14x = 15,448.28 × 3,729.82
  4. Step 4: Simplify right side
    10,305.14x = 57,619,303.71
  5. Step 5: Solve for x
    x = 57,619,303.71/10,305.14
  6. Step 6: Final answer
    x = 5,591.32

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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.