Home / 11,360.77-17,027.80-5,113.46

Finding the Fourth Proportional to 11,360.77, 17,027.80 and 5,113.46

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Solution

The fourth proportional to 11,360.77, 17,027.80 and 5,113.46 is: 7,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.77 : 17,027.80 = 5,113.46 : x
  2. Step 2: Convert to fraction form
    11,360.77/17,027.80 = 5,113.46/x
  3. Step 3: Cross multiply
    11,360.77x = 17,027.80 × 5,113.46
  4. Step 4: Simplify right side
    11,360.77x = 87,071,029.54
  5. Step 5: Solve for x
    x = 87,071,029.54/11,360.77
  6. Step 6: Final answer
    x = 7,664.19

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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.