Home / 11,591.12-15,995.85-6,285.94

Finding the Fourth Proportional to 11,591.12, 15,995.85 and 6,285.94

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Solution

The fourth proportional to 11,591.12, 15,995.85 and 6,285.94 is: 8,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.12 : 15,995.85 = 6,285.94 : x
  2. Step 2: Convert to fraction form
    11,591.12/15,995.85 = 6,285.94/x
  3. Step 3: Cross multiply
    11,591.12x = 15,995.85 × 6,285.94
  4. Step 4: Simplify right side
    11,591.12x = 100,548,953.35
  5. Step 5: Solve for x
    x = 100,548,953.35/11,591.12
  6. Step 6: Final answer
    x = 8,674.65

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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.