Home / 7,976.53-11,007.75-4,391.62

Finding the Fourth Proportional to 7,976.53, 11,007.75 and 4,391.62

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Solution

The fourth proportional to 7,976.53, 11,007.75 and 4,391.62 is: 6,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.53 : 11,007.75 = 4,391.62 : x
  2. Step 2: Convert to fraction form
    7,976.53/11,007.75 = 4,391.62/x
  3. Step 3: Cross multiply
    7,976.53x = 11,007.75 × 4,391.62
  4. Step 4: Simplify right side
    7,976.53x = 48,341,855.06
  5. Step 5: Solve for x
    x = 48,341,855.06/7,976.53
  6. Step 6: Final answer
    x = 6,060.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.