Home / 11,125.12-15,352.32-6,157.12

Finding the Fourth Proportional to 11,125.12, 15,352.32 and 6,157.12

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Solution

The fourth proportional to 11,125.12, 15,352.32 and 6,157.12 is: 8,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.12 : 15,352.32 = 6,157.12 : x
  2. Step 2: Convert to fraction form
    11,125.12/15,352.32 = 6,157.12/x
  3. Step 3: Cross multiply
    11,125.12x = 15,352.32 × 6,157.12
  4. Step 4: Simplify right side
    11,125.12x = 94,526,076.52
  5. Step 5: Solve for x
    x = 94,526,076.52/11,125.12
  6. Step 6: Final answer
    x = 8,496.63

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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.