Home / 6,146.20-9,220.76-1,763.56

Finding the Fourth Proportional to 6,146.20, 9,220.76 and 1,763.56

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Solution

The fourth proportional to 6,146.20, 9,220.76 and 1,763.56 is: 2,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.20 : 9,220.76 = 1,763.56 : x
  2. Step 2: Convert to fraction form
    6,146.20/9,220.76 = 1,763.56/x
  3. Step 3: Cross multiply
    6,146.20x = 9,220.76 × 1,763.56
  4. Step 4: Simplify right side
    6,146.20x = 16,261,363.51
  5. Step 5: Solve for x
    x = 16,261,363.51/6,146.20
  6. Step 6: Final answer
    x = 2,645.76

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Double scale
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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.