Home / 9,421.82-13,002.26-5,230.07

Finding the Fourth Proportional to 9,421.82, 13,002.26 and 5,230.07

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Solution

The fourth proportional to 9,421.82, 13,002.26 and 5,230.07 is: 7,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.82 : 13,002.26 = 5,230.07 : x
  2. Step 2: Convert to fraction form
    9,421.82/13,002.26 = 5,230.07/x
  3. Step 3: Cross multiply
    9,421.82x = 13,002.26 × 5,230.07
  4. Step 4: Simplify right side
    9,421.82x = 68,002,638.80
  5. Step 5: Solve for x
    x = 68,002,638.80/9,421.82
  6. Step 6: Final answer
    x = 7,217.57

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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.