Home / 8,029.52-11,083.30-5,640.07

Finding the Fourth Proportional to 8,029.52, 11,083.30 and 5,640.07

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Solution

The fourth proportional to 8,029.52, 11,083.30 and 5,640.07 is: 7,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.52 : 11,083.30 = 5,640.07 : x
  2. Step 2: Convert to fraction form
    8,029.52/11,083.30 = 5,640.07/x
  3. Step 3: Cross multiply
    8,029.52x = 11,083.30 × 5,640.07
  4. Step 4: Simplify right side
    8,029.52x = 62,510,587.83
  5. Step 5: Solve for x
    x = 62,510,587.83/8,029.52
  6. Step 6: Final answer
    x = 7,785.10

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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.