Home / 9,749.39-13,459.57-6,169.10

Finding the Fourth Proportional to 9,749.39, 13,459.57 and 6,169.10

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Solution

The fourth proportional to 9,749.39, 13,459.57 and 6,169.10 is: 8,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.39 : 13,459.57 = 6,169.10 : x
  2. Step 2: Convert to fraction form
    9,749.39/13,459.57 = 6,169.10/x
  3. Step 3: Cross multiply
    9,749.39x = 13,459.57 × 6,169.10
  4. Step 4: Simplify right side
    9,749.39x = 83,033,350.57
  5. Step 5: Solve for x
    x = 83,033,350.57/9,749.39
  6. Step 6: Final answer
    x = 8,516.78

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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.