Home / 8,779.12-13,168.27-3,232.07

Finding the Fourth Proportional to 8,779.12, 13,168.27 and 3,232.07

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Solution

The fourth proportional to 8,779.12, 13,168.27 and 3,232.07 is: 4,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.12 : 13,168.27 = 3,232.07 : x
  2. Step 2: Convert to fraction form
    8,779.12/13,168.27 = 3,232.07/x
  3. Step 3: Cross multiply
    8,779.12x = 13,168.27 × 3,232.07
  4. Step 4: Simplify right side
    8,779.12x = 42,560,758.00
  5. Step 5: Solve for x
    x = 42,560,758.00/8,779.12
  6. Step 6: Final answer
    x = 4,847.95

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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.