Home / 9,505.11-13,109.61-6,148.26

Finding the Fourth Proportional to 9,505.11, 13,109.61 and 6,148.26

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Solution

The fourth proportional to 9,505.11, 13,109.61 and 6,148.26 is: 8,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.11 : 13,109.61 = 6,148.26 : x
  2. Step 2: Convert to fraction form
    9,505.11/13,109.61 = 6,148.26/x
  3. Step 3: Cross multiply
    9,505.11x = 13,109.61 × 6,148.26
  4. Step 4: Simplify right side
    9,505.11x = 80,601,290.78
  5. Step 5: Solve for x
    x = 80,601,290.78/9,505.11
  6. Step 6: Final answer
    x = 8,479.79

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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.