Home / 11,124.75-15,352.16-6,156.75

Finding the Fourth Proportional to 11,124.75, 15,352.16 and 6,156.75

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Solution

The fourth proportional to 11,124.75, 15,352.16 and 6,156.75 is: 8,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.75 : 15,352.16 = 6,156.75 : x
  2. Step 2: Convert to fraction form
    11,124.75/15,352.16 = 6,156.75/x
  3. Step 3: Cross multiply
    11,124.75x = 15,352.16 × 6,156.75
  4. Step 4: Simplify right side
    11,124.75x = 94,519,380.30
  5. Step 5: Solve for x
    x = 94,519,380.30/11,124.75
  6. Step 6: Final answer
    x = 8,496.32

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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.