Home / 7,432.06-11,138.31-4,146.70

Finding the Fourth Proportional to 7,432.06, 11,138.31 and 4,146.70

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Solution

The fourth proportional to 7,432.06, 11,138.31 and 4,146.70 is: 6,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.06 : 11,138.31 = 4,146.70 : x
  2. Step 2: Convert to fraction form
    7,432.06/11,138.31 = 4,146.70/x
  3. Step 3: Cross multiply
    7,432.06x = 11,138.31 × 4,146.70
  4. Step 4: Simplify right side
    7,432.06x = 46,187,230.08
  5. Step 5: Solve for x
    x = 46,187,230.08/7,432.06
  6. Step 6: Final answer
    x = 6,214.59

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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.