Home / 7,665.42-11,499.66-2,735.76

Finding the Fourth Proportional to 7,665.42, 11,499.66 and 2,735.76

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Solution

The fourth proportional to 7,665.42, 11,499.66 and 2,735.76 is: 4,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.42 : 11,499.66 = 2,735.76 : x
  2. Step 2: Convert to fraction form
    7,665.42/11,499.66 = 2,735.76/x
  3. Step 3: Cross multiply
    7,665.42x = 11,499.66 × 2,735.76
  4. Step 4: Simplify right side
    7,665.42x = 31,460,309.84
  5. Step 5: Solve for x
    x = 31,460,309.84/7,665.42
  6. Step 6: Final answer
    x = 4,104.19

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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.