Home / 9,650.12-13,317.80-5,401.53

Finding the Fourth Proportional to 9,650.12, 13,317.80 and 5,401.53

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Solution

The fourth proportional to 9,650.12, 13,317.80 and 5,401.53 is: 7,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.12 : 13,317.80 = 5,401.53 : x
  2. Step 2: Convert to fraction form
    9,650.12/13,317.80 = 5,401.53/x
  3. Step 3: Cross multiply
    9,650.12x = 13,317.80 × 5,401.53
  4. Step 4: Simplify right side
    9,650.12x = 71,936,469.23
  5. Step 5: Solve for x
    x = 71,936,469.23/9,650.12
  6. Step 6: Final answer
    x = 7,454.47

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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.