Home / 10,155.33-15,232.59-3,135.06

Finding the Fourth Proportional to 10,155.33, 15,232.59 and 3,135.06

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Solution

The fourth proportional to 10,155.33, 15,232.59 and 3,135.06 is: 4,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.33 : 15,232.59 = 3,135.06 : x
  2. Step 2: Convert to fraction form
    10,155.33/15,232.59 = 3,135.06/x
  3. Step 3: Cross multiply
    10,155.33x = 15,232.59 × 3,135.06
  4. Step 4: Simplify right side
    10,155.33x = 47,755,083.61
  5. Step 5: Solve for x
    x = 47,755,083.61/10,155.33
  6. Step 6: Final answer
    x = 4,702.46

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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.