Home / 10,396.14-14,346.78-5,680.44

Finding the Fourth Proportional to 10,396.14, 14,346.78 and 5,680.44

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Solution

The fourth proportional to 10,396.14, 14,346.78 and 5,680.44 is: 7,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.14 : 14,346.78 = 5,680.44 : x
  2. Step 2: Convert to fraction form
    10,396.14/14,346.78 = 5,680.44/x
  3. Step 3: Cross multiply
    10,396.14x = 14,346.78 × 5,680.44
  4. Step 4: Simplify right side
    10,396.14x = 81,496,022.98
  5. Step 5: Solve for x
    x = 81,496,022.98/10,396.14
  6. Step 6: Final answer
    x = 7,839.07

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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.