Home / 9,195.14-12,689.52-5,656.34

Finding the Fourth Proportional to 9,195.14, 12,689.52 and 5,656.34

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Solution

The fourth proportional to 9,195.14, 12,689.52 and 5,656.34 is: 7,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.14 : 12,689.52 = 5,656.34 : x
  2. Step 2: Convert to fraction form
    9,195.14/12,689.52 = 5,656.34/x
  3. Step 3: Cross multiply
    9,195.14x = 12,689.52 × 5,656.34
  4. Step 4: Simplify right side
    9,195.14x = 71,776,239.56
  5. Step 5: Solve for x
    x = 71,776,239.56/9,195.14
  6. Step 6: Final answer
    x = 7,805.89

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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.