Home / 9,199.36-12,690.30-5,367.52

Finding the Fourth Proportional to 9,199.36, 12,690.30 and 5,367.52

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Solution

The fourth proportional to 9,199.36, 12,690.30 and 5,367.52 is: 7,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.36 : 12,690.30 = 5,367.52 : x
  2. Step 2: Convert to fraction form
    9,199.36/12,690.30 = 5,367.52/x
  3. Step 3: Cross multiply
    9,199.36x = 12,690.30 × 5,367.52
  4. Step 4: Simplify right side
    9,199.36x = 68,115,439.06
  5. Step 5: Solve for x
    x = 68,115,439.06/9,199.36
  6. Step 6: Final answer
    x = 7,404.37

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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.