Home / 7,384.32-11,079.36-2,766.24

Finding the Fourth Proportional to 7,384.32, 11,079.36 and 2,766.24

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Solution

The fourth proportional to 7,384.32, 11,079.36 and 2,766.24 is: 4,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.32 : 11,079.36 = 2,766.24 : x
  2. Step 2: Convert to fraction form
    7,384.32/11,079.36 = 2,766.24/x
  3. Step 3: Cross multiply
    7,384.32x = 11,079.36 × 2,766.24
  4. Step 4: Simplify right side
    7,384.32x = 30,648,168.81
  5. Step 5: Solve for x
    x = 30,648,168.81/7,384.32
  6. Step 6: Final answer
    x = 4,150.44

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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.