Home / 8,029.39-11,083.12-5,639.94

Finding the Fourth Proportional to 8,029.39, 11,083.12 and 5,639.94

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Solution

The fourth proportional to 8,029.39, 11,083.12 and 5,639.94 is: 7,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.39 : 11,083.12 = 5,639.94 : x
  2. Step 2: Convert to fraction form
    8,029.39/11,083.12 = 5,639.94/x
  3. Step 3: Cross multiply
    8,029.39x = 11,083.12 × 5,639.94
  4. Step 4: Simplify right side
    8,029.39x = 62,508,131.81
  5. Step 5: Solve for x
    x = 62,508,131.81/8,029.39
  6. Step 6: Final answer
    x = 7,784.92

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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.