Home / 9,396.28-12,965.70-5,204.56

Finding the Fourth Proportional to 9,396.28, 12,965.70 and 5,204.56

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Solution

The fourth proportional to 9,396.28, 12,965.70 and 5,204.56 is: 7,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.28 : 12,965.70 = 5,204.56 : x
  2. Step 2: Convert to fraction form
    9,396.28/12,965.70 = 5,204.56/x
  3. Step 3: Cross multiply
    9,396.28x = 12,965.70 × 5,204.56
  4. Step 4: Simplify right side
    9,396.28x = 67,480,763.59
  5. Step 5: Solve for x
    x = 67,480,763.59/9,396.28
  6. Step 6: Final answer
    x = 7,181.65

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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.