Home / 8,027.68-12,021.92-5,555.52

Finding the Fourth Proportional to 8,027.68, 12,021.92 and 5,555.52

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Solution

The fourth proportional to 8,027.68, 12,021.92 and 5,555.52 is: 8,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.68 : 12,021.92 = 5,555.52 : x
  2. Step 2: Convert to fraction form
    8,027.68/12,021.92 = 5,555.52/x
  3. Step 3: Cross multiply
    8,027.68x = 12,021.92 × 5,555.52
  4. Step 4: Simplify right side
    8,027.68x = 66,788,017.00
  5. Step 5: Solve for x
    x = 66,788,017.00/8,027.68
  6. Step 6: Final answer
    x = 8,319.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.