Home / 10,911.96-16,376.18-8,746.83

Finding the Fourth Proportional to 10,911.96, 16,376.18 and 8,746.83

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Solution

The fourth proportional to 10,911.96, 16,376.18 and 8,746.83 is: 13,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.96 : 16,376.18 = 8,746.83 : x
  2. Step 2: Convert to fraction form
    10,911.96/16,376.18 = 8,746.83/x
  3. Step 3: Cross multiply
    10,911.96x = 16,376.18 × 8,746.83
  4. Step 4: Simplify right side
    10,911.96x = 143,239,651.58
  5. Step 5: Solve for x
    x = 143,239,651.58/10,911.96
  6. Step 6: Final answer
    x = 13,126.85

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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.