Home / 11,976.86-16,526.89-6,671.57

Finding the Fourth Proportional to 11,976.86, 16,526.89 and 6,671.57

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Solution

The fourth proportional to 11,976.86, 16,526.89 and 6,671.57 is: 9,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.86 : 16,526.89 = 6,671.57 : x
  2. Step 2: Convert to fraction form
    11,976.86/16,526.89 = 6,671.57/x
  3. Step 3: Cross multiply
    11,976.86x = 16,526.89 × 6,671.57
  4. Step 4: Simplify right side
    11,976.86x = 110,260,191.69
  5. Step 5: Solve for x
    x = 110,260,191.69/11,976.86
  6. Step 6: Final answer
    x = 9,206.10

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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.