Home / 7,626.72-11,440.80-2,080.14

Finding the Fourth Proportional to 7,626.72, 11,440.80 and 2,080.14

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Solution

The fourth proportional to 7,626.72, 11,440.80 and 2,080.14 is: 3,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.72 : 11,440.80 = 2,080.14 : x
  2. Step 2: Convert to fraction form
    7,626.72/11,440.80 = 2,080.14/x
  3. Step 3: Cross multiply
    7,626.72x = 11,440.80 × 2,080.14
  4. Step 4: Simplify right side
    7,626.72x = 23,798,465.71
  5. Step 5: Solve for x
    x = 23,798,465.71/7,626.72
  6. Step 6: Final answer
    x = 3,120.41

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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.