Home / 8,308.59-11,459.38-5,324.71

Finding the Fourth Proportional to 8,308.59, 11,459.38 and 5,324.71

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Solution

The fourth proportional to 8,308.59, 11,459.38 and 5,324.71 is: 7,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.59 : 11,459.38 = 5,324.71 : x
  2. Step 2: Convert to fraction form
    8,308.59/11,459.38 = 5,324.71/x
  3. Step 3: Cross multiply
    8,308.59x = 11,459.38 × 5,324.71
  4. Step 4: Simplify right side
    8,308.59x = 61,017,833.32
  5. Step 5: Solve for x
    x = 61,017,833.32/8,308.59
  6. Step 6: Final answer
    x = 7,343.94

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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.