Home / 7,432.12-11,138.44-5,568.60

Finding the Fourth Proportional to 7,432.12, 11,138.44 and 5,568.60

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Solution

The fourth proportional to 7,432.12, 11,138.44 and 5,568.60 is: 8,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.12 : 11,138.44 = 5,568.60 : x
  2. Step 2: Convert to fraction form
    7,432.12/11,138.44 = 5,568.60/x
  3. Step 3: Cross multiply
    7,432.12x = 11,138.44 × 5,568.60
  4. Step 4: Simplify right side
    7,432.12x = 62,025,516.98
  5. Step 5: Solve for x
    x = 62,025,516.98/7,432.12
  6. Step 6: Final answer
    x = 8,345.60

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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.