Home / 11,141.12-15,375.36-6,362.48

Finding the Fourth Proportional to 11,141.12, 15,375.36 and 6,362.48

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Solution

The fourth proportional to 11,141.12, 15,375.36 and 6,362.48 is: 8,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.12 : 15,375.36 = 6,362.48 : x
  2. Step 2: Convert to fraction form
    11,141.12/15,375.36 = 6,362.48/x
  3. Step 3: Cross multiply
    11,141.12x = 15,375.36 × 6,362.48
  4. Step 4: Simplify right side
    11,141.12x = 97,825,420.49
  5. Step 5: Solve for x
    x = 97,825,420.49/11,141.12
  6. Step 6: Final answer
    x = 8,780.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.