Home / 7,376.64-11,066.92-3,868.40

Finding the Fourth Proportional to 7,376.64, 11,066.92 and 3,868.40

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Solution

The fourth proportional to 7,376.64, 11,066.92 and 3,868.40 is: 5,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.64 : 11,066.92 = 3,868.40 : x
  2. Step 2: Convert to fraction form
    7,376.64/11,066.92 = 3,868.40/x
  3. Step 3: Cross multiply
    7,376.64x = 11,066.92 × 3,868.40
  4. Step 4: Simplify right side
    7,376.64x = 42,811,273.33
  5. Step 5: Solve for x
    x = 42,811,273.33/7,376.64
  6. Step 6: Final answer
    x = 5,803.63

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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.