Home / 7,569.23-11,353.85-3,408.45

Finding the Fourth Proportional to 7,569.23, 11,353.85 and 3,408.45

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Solution

The fourth proportional to 7,569.23, 11,353.85 and 3,408.45 is: 5,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.23 : 11,353.85 = 3,408.45 : x
  2. Step 2: Convert to fraction form
    7,569.23/11,353.85 = 3,408.45/x
  3. Step 3: Cross multiply
    7,569.23x = 11,353.85 × 3,408.45
  4. Step 4: Simplify right side
    7,569.23x = 38,699,012.99
  5. Step 5: Solve for x
    x = 38,699,012.99/7,569.23
  6. Step 6: Final answer
    x = 5,112.68

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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.