Home / 7,334.13-10,121.07-3,976.93

Finding the Fourth Proportional to 7,334.13, 10,121.07 and 3,976.93

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Solution

The fourth proportional to 7,334.13, 10,121.07 and 3,976.93 is: 5,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.13 : 10,121.07 = 3,976.93 : x
  2. Step 2: Convert to fraction form
    7,334.13/10,121.07 = 3,976.93/x
  3. Step 3: Cross multiply
    7,334.13x = 10,121.07 × 3,976.93
  4. Step 4: Simplify right side
    7,334.13x = 40,250,792.11
  5. Step 5: Solve for x
    x = 40,250,792.11/7,334.13
  6. Step 6: Final answer
    x = 5,488.15

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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.