Home / 11,250.38-16,866.45-4,681.48

Finding the Fourth Proportional to 11,250.38, 16,866.45 and 4,681.48

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Solution

The fourth proportional to 11,250.38, 16,866.45 and 4,681.48 is: 7,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.38 : 16,866.45 = 4,681.48 : x
  2. Step 2: Convert to fraction form
    11,250.38/16,866.45 = 4,681.48/x
  3. Step 3: Cross multiply
    11,250.38x = 16,866.45 × 4,681.48
  4. Step 4: Simplify right side
    11,250.38x = 78,959,948.35
  5. Step 5: Solve for x
    x = 78,959,948.35/11,250.38
  6. Step 6: Final answer
    x = 7,018.43

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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.