Home / 9,627.39-13,244.18-7,855.11

Finding the Fourth Proportional to 9,627.39, 13,244.18 and 7,855.11

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Solution

The fourth proportional to 9,627.39, 13,244.18 and 7,855.11 is: 10,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.39 : 13,244.18 = 7,855.11 : x
  2. Step 2: Convert to fraction form
    9,627.39/13,244.18 = 7,855.11/x
  3. Step 3: Cross multiply
    9,627.39x = 13,244.18 × 7,855.11
  4. Step 4: Simplify right side
    9,627.39x = 104,034,451.48
  5. Step 5: Solve for x
    x = 104,034,451.48/9,627.39
  6. Step 6: Final answer
    x = 10,806.09

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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.