Home / 12,371.90-18,553.53-5,801.18

Finding the Fourth Proportional to 12,371.90, 18,553.53 and 5,801.18

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Solution

The fourth proportional to 12,371.90, 18,553.53 and 5,801.18 is: 8,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.90 : 18,553.53 = 5,801.18 : x
  2. Step 2: Convert to fraction form
    12,371.90/18,553.53 = 5,801.18/x
  3. Step 3: Cross multiply
    12,371.90x = 18,553.53 × 5,801.18
  4. Step 4: Simplify right side
    12,371.90x = 107,632,367.17
  5. Step 5: Solve for x
    x = 107,632,367.17/12,371.90
  6. Step 6: Final answer
    x = 8,699.74

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1.5x scale

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.