Home / 11,432.75-15,774.35-7,184.52

Finding the Fourth Proportional to 11,432.75, 15,774.35 and 7,184.52

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Solution

The fourth proportional to 11,432.75, 15,774.35 and 7,184.52 is: 9,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.75 : 15,774.35 = 7,184.52 : x
  2. Step 2: Convert to fraction form
    11,432.75/15,774.35 = 7,184.52/x
  3. Step 3: Cross multiply
    11,432.75x = 15,774.35 × 7,184.52
  4. Step 4: Simplify right side
    11,432.75x = 113,331,097.14
  5. Step 5: Solve for x
    x = 113,331,097.14/11,432.75
  6. Step 6: Final answer
    x = 9,912.85

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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.