Home / 6,579.50-9,874.12-3,116.76

Finding the Fourth Proportional to 6,579.50, 9,874.12 and 3,116.76

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Solution

The fourth proportional to 6,579.50, 9,874.12 and 3,116.76 is: 4,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.50 : 9,874.12 = 3,116.76 : x
  2. Step 2: Convert to fraction form
    6,579.50/9,874.12 = 3,116.76/x
  3. Step 3: Cross multiply
    6,579.50x = 9,874.12 × 3,116.76
  4. Step 4: Simplify right side
    6,579.50x = 30,775,262.25
  5. Step 5: Solve for x
    x = 30,775,262.25/6,579.50
  6. Step 6: Final answer
    x = 4,677.45

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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.