Home / 7,432.12-11,149.20-4,313.59

Finding the Fourth Proportional to 7,432.12, 11,149.20 and 4,313.59

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Solution

The fourth proportional to 7,432.12, 11,149.20 and 4,313.59 is: 6,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.12 : 11,149.20 = 4,313.59 : x
  2. Step 2: Convert to fraction form
    7,432.12/11,149.20 = 4,313.59/x
  3. Step 3: Cross multiply
    7,432.12x = 11,149.20 × 4,313.59
  4. Step 4: Simplify right side
    7,432.12x = 48,093,056.06
  5. Step 5: Solve for x
    x = 48,093,056.06/7,432.12
  6. Step 6: Final answer
    x = 6,470.98

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1.5x scale

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.