Home / 11,868.38-17,802.43-3,548.46

Finding the Fourth Proportional to 11,868.38, 17,802.43 and 3,548.46

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Solution

The fourth proportional to 11,868.38, 17,802.43 and 3,548.46 is: 5,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.38 : 17,802.43 = 3,548.46 : x
  2. Step 2: Convert to fraction form
    11,868.38/17,802.43 = 3,548.46/x
  3. Step 3: Cross multiply
    11,868.38x = 17,802.43 × 3,548.46
  4. Step 4: Simplify right side
    11,868.38x = 63,171,210.76
  5. Step 5: Solve for x
    x = 63,171,210.76/11,868.38
  6. Step 6: Final answer
    x = 5,322.65

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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.