Home / 9,531.20-13,152.38-5,281.96

Finding the Fourth Proportional to 9,531.20, 13,152.38 and 5,281.96

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Solution

The fourth proportional to 9,531.20, 13,152.38 and 5,281.96 is: 7,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.20 : 13,152.38 = 5,281.96 : x
  2. Step 2: Convert to fraction form
    9,531.20/13,152.38 = 5,281.96/x
  3. Step 3: Cross multiply
    9,531.20x = 13,152.38 × 5,281.96
  4. Step 4: Simplify right side
    9,531.20x = 69,470,345.06
  5. Step 5: Solve for x
    x = 69,470,345.06/9,531.20
  6. Step 6: Final answer
    x = 7,288.73

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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.