Home / 9,508.52-13,121.88-5,316.68

Finding the Fourth Proportional to 9,508.52, 13,121.88 and 5,316.68

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Solution

The fourth proportional to 9,508.52, 13,121.88 and 5,316.68 is: 7,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.52 : 13,121.88 = 5,316.68 : x
  2. Step 2: Convert to fraction form
    9,508.52/13,121.88 = 5,316.68/x
  3. Step 3: Cross multiply
    9,508.52x = 13,121.88 × 5,316.68
  4. Step 4: Simplify right side
    9,508.52x = 69,764,836.96
  5. Step 5: Solve for x
    x = 69,764,836.96/9,508.52
  6. Step 6: Final answer
    x = 7,337.09

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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.