Home / 9,239.96-13,859.49-3,396.20

Finding the Fourth Proportional to 9,239.96, 13,859.49 and 3,396.20

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Solution

The fourth proportional to 9,239.96, 13,859.49 and 3,396.20 is: 5,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.96 : 13,859.49 = 3,396.20 : x
  2. Step 2: Convert to fraction form
    9,239.96/13,859.49 = 3,396.20/x
  3. Step 3: Cross multiply
    9,239.96x = 13,859.49 × 3,396.20
  4. Step 4: Simplify right side
    9,239.96x = 47,069,599.94
  5. Step 5: Solve for x
    x = 47,069,599.94/9,239.96
  6. Step 6: Final answer
    x = 5,094.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.