Home / 9,795.21-13,517.42-5,318.99

Finding the Fourth Proportional to 9,795.21, 13,517.42 and 5,318.99

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Solution

The fourth proportional to 9,795.21, 13,517.42 and 5,318.99 is: 7,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.21 : 13,517.42 = 5,318.99 : x
  2. Step 2: Convert to fraction form
    9,795.21/13,517.42 = 5,318.99/x
  3. Step 3: Cross multiply
    9,795.21x = 13,517.42 × 5,318.99
  4. Step 4: Simplify right side
    9,795.21x = 71,898,927.62
  5. Step 5: Solve for x
    x = 71,898,927.62/9,795.21
  6. Step 6: Final answer
    x = 7,340.21

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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.