Home / 9,195.87-12,686.88-5,609.59

Finding the Fourth Proportional to 9,195.87, 12,686.88 and 5,609.59

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Solution

The fourth proportional to 9,195.87, 12,686.88 and 5,609.59 is: 7,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.87 : 12,686.88 = 5,609.59 : x
  2. Step 2: Convert to fraction form
    9,195.87/12,686.88 = 5,609.59/x
  3. Step 3: Cross multiply
    9,195.87x = 12,686.88 × 5,609.59
  4. Step 4: Simplify right side
    9,195.87x = 71,168,195.18
  5. Step 5: Solve for x
    x = 71,168,195.18/9,195.87
  6. Step 6: Final answer
    x = 7,739.15

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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.