Home / 9,020.25-12,451.62-7,756.23

Finding the Fourth Proportional to 9,020.25, 12,451.62 and 7,756.23

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Solution

The fourth proportional to 9,020.25, 12,451.62 and 7,756.23 is: 10,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.25 : 12,451.62 = 7,756.23 : x
  2. Step 2: Convert to fraction form
    9,020.25/12,451.62 = 7,756.23/x
  3. Step 3: Cross multiply
    9,020.25x = 12,451.62 × 7,756.23
  4. Step 4: Simplify right side
    9,020.25x = 96,577,628.59
  5. Step 5: Solve for x
    x = 96,577,628.59/9,020.25
  6. Step 6: Final answer
    x = 10,706.76

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Double scale
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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.