Home / 8,876.12-13,323.42-6,538.77

Finding the Fourth Proportional to 8,876.12, 13,323.42 and 6,538.77

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Solution

The fourth proportional to 8,876.12, 13,323.42 and 6,538.77 is: 9,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.12 : 13,323.42 = 6,538.77 : x
  2. Step 2: Convert to fraction form
    8,876.12/13,323.42 = 6,538.77/x
  3. Step 3: Cross multiply
    8,876.12x = 13,323.42 × 6,538.77
  4. Step 4: Simplify right side
    8,876.12x = 87,118,778.99
  5. Step 5: Solve for x
    x = 87,118,778.99/8,876.12
  6. Step 6: Final answer
    x = 9,814.97

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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.