Home / 9,812.42-13,539.99-5,563.97

Finding the Fourth Proportional to 9,812.42, 13,539.99 and 5,563.97

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Solution

The fourth proportional to 9,812.42, 13,539.99 and 5,563.97 is: 7,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.42 : 13,539.99 = 5,563.97 : x
  2. Step 2: Convert to fraction form
    9,812.42/13,539.99 = 5,563.97/x
  3. Step 3: Cross multiply
    9,812.42x = 13,539.99 × 5,563.97
  4. Step 4: Simplify right side
    9,812.42x = 75,336,098.16
  5. Step 5: Solve for x
    x = 75,336,098.16/9,812.42
  6. Step 6: Final answer
    x = 7,677.63

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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.