Home / 8,288.16-11,441.52-5,635.68

Finding the Fourth Proportional to 8,288.16, 11,441.52 and 5,635.68

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Solution

The fourth proportional to 8,288.16, 11,441.52 and 5,635.68 is: 7,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.16 : 11,441.52 = 5,635.68 : x
  2. Step 2: Convert to fraction form
    8,288.16/11,441.52 = 5,635.68/x
  3. Step 3: Cross multiply
    8,288.16x = 11,441.52 × 5,635.68
  4. Step 4: Simplify right side
    8,288.16x = 64,480,745.43
  5. Step 5: Solve for x
    x = 64,480,745.43/8,288.16
  6. Step 6: Final answer
    x = 7,779.86

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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.