Home / 8,159.88-11,260.42-4,622.76

Finding the Fourth Proportional to 8,159.88, 11,260.42 and 4,622.76

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Solution

The fourth proportional to 8,159.88, 11,260.42 and 4,622.76 is: 6,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.88 : 11,260.42 = 4,622.76 : x
  2. Step 2: Convert to fraction form
    8,159.88/11,260.42 = 4,622.76/x
  3. Step 3: Cross multiply
    8,159.88x = 11,260.42 × 4,622.76
  4. Step 4: Simplify right side
    8,159.88x = 52,054,219.16
  5. Step 5: Solve for x
    x = 52,054,219.16/8,159.88
  6. Step 6: Final answer
    x = 6,379.29

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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.