Home / 7,435.20-11,146.62-3,484.44

Finding the Fourth Proportional to 7,435.20, 11,146.62 and 3,484.44

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Solution

The fourth proportional to 7,435.20, 11,146.62 and 3,484.44 is: 5,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.20 : 11,146.62 = 3,484.44 : x
  2. Step 2: Convert to fraction form
    7,435.20/11,146.62 = 3,484.44/x
  3. Step 3: Cross multiply
    7,435.20x = 11,146.62 × 3,484.44
  4. Step 4: Simplify right side
    7,435.20x = 38,839,728.59
  5. Step 5: Solve for x
    x = 38,839,728.59/7,435.20
  6. Step 6: Final answer
    x = 5,223.76

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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.