Home / 11,045.39-15,243.17-6,329.68

Finding the Fourth Proportional to 11,045.39, 15,243.17 and 6,329.68

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Solution

The fourth proportional to 11,045.39, 15,243.17 and 6,329.68 is: 8,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.39 : 15,243.17 = 6,329.68 : x
  2. Step 2: Convert to fraction form
    11,045.39/15,243.17 = 6,329.68/x
  3. Step 3: Cross multiply
    11,045.39x = 15,243.17 × 6,329.68
  4. Step 4: Simplify right side
    11,045.39x = 96,484,318.53
  5. Step 5: Solve for x
    x = 96,484,318.53/11,045.39
  6. Step 6: Final answer
    x = 8,735.26

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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.