Home / 11,557.89-17,346.68-4,542.81

Finding the Fourth Proportional to 11,557.89, 17,346.68 and 4,542.81

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Solution

The fourth proportional to 11,557.89, 17,346.68 and 4,542.81 is: 6,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.89 : 17,346.68 = 4,542.81 : x
  2. Step 2: Convert to fraction form
    11,557.89/17,346.68 = 4,542.81/x
  3. Step 3: Cross multiply
    11,557.89x = 17,346.68 × 4,542.81
  4. Step 4: Simplify right side
    11,557.89x = 78,802,648.66
  5. Step 5: Solve for x
    x = 78,802,648.66/11,557.89
  6. Step 6: Final answer
    x = 6,818.08

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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.