Home / 7,432.90-11,150.81-2,752.95

Finding the Fourth Proportional to 7,432.90, 11,150.81 and 2,752.95

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Solution

The fourth proportional to 7,432.90, 11,150.81 and 2,752.95 is: 4,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.90 : 11,150.81 = 2,752.95 : x
  2. Step 2: Convert to fraction form
    7,432.90/11,150.81 = 2,752.95/x
  3. Step 3: Cross multiply
    7,432.90x = 11,150.81 × 2,752.95
  4. Step 4: Simplify right side
    7,432.90x = 30,697,622.39
  5. Step 5: Solve for x
    x = 30,697,622.39/7,432.90
  6. Step 6: Final answer
    x = 4,129.97

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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.