Home / 7,976.16-11,007.30-4,439.16

Finding the Fourth Proportional to 7,976.16, 11,007.30 and 4,439.16

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Solution

The fourth proportional to 7,976.16, 11,007.30 and 4,439.16 is: 6,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.16 : 11,007.30 = 4,439.16 : x
  2. Step 2: Convert to fraction form
    7,976.16/11,007.30 = 4,439.16/x
  3. Step 3: Cross multiply
    7,976.16x = 11,007.30 × 4,439.16
  4. Step 4: Simplify right side
    7,976.16x = 48,863,165.87
  5. Step 5: Solve for x
    x = 48,863,165.87/7,976.16
  6. Step 6: Final answer
    x = 6,126.15

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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.