Home / 8,159.91-11,260.76-4,623.05

Finding the Fourth Proportional to 8,159.91, 11,260.76 and 4,623.05

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Solution

The fourth proportional to 8,159.91, 11,260.76 and 4,623.05 is: 6,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.91 : 11,260.76 = 4,623.05 : x
  2. Step 2: Convert to fraction form
    8,159.91/11,260.76 = 4,623.05/x
  3. Step 3: Cross multiply
    8,159.91x = 11,260.76 × 4,623.05
  4. Step 4: Simplify right side
    8,159.91x = 52,059,056.52
  5. Step 5: Solve for x
    x = 52,059,056.52/8,159.91
  6. Step 6: Final answer
    x = 6,379.86

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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.