Home / 7,664.16-11,500.56-3,560.16

Finding the Fourth Proportional to 7,664.16, 11,500.56 and 3,560.16

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Solution

The fourth proportional to 7,664.16, 11,500.56 and 3,560.16 is: 5,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.16 : 11,500.56 = 3,560.16 : x
  2. Step 2: Convert to fraction form
    7,664.16/11,500.56 = 3,560.16/x
  3. Step 3: Cross multiply
    7,664.16x = 11,500.56 × 3,560.16
  4. Step 4: Simplify right side
    7,664.16x = 40,943,833.69
  5. Step 5: Solve for x
    x = 40,943,833.69/7,664.16
  6. Step 6: Final answer
    x = 5,342.25

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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.