Home / 7,474.84-11,190.54-4,345.30

Finding the Fourth Proportional to 7,474.84, 11,190.54 and 4,345.30

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Solution

The fourth proportional to 7,474.84, 11,190.54 and 4,345.30 is: 6,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.84 : 11,190.54 = 4,345.30 : x
  2. Step 2: Convert to fraction form
    7,474.84/11,190.54 = 4,345.30/x
  3. Step 3: Cross multiply
    7,474.84x = 11,190.54 × 4,345.30
  4. Step 4: Simplify right side
    7,474.84x = 48,626,290.78
  5. Step 5: Solve for x
    x = 48,626,290.78/7,474.84
  6. Step 6: Final answer
    x = 6,505.33

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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.