Home / 12,327.36-18,491.99-3,562.35

Finding the Fourth Proportional to 12,327.36, 18,491.99 and 3,562.35

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Solution

The fourth proportional to 12,327.36, 18,491.99 and 3,562.35 is: 5,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.36 : 18,491.99 = 3,562.35 : x
  2. Step 2: Convert to fraction form
    12,327.36/18,491.99 = 3,562.35/x
  3. Step 3: Cross multiply
    12,327.36x = 18,491.99 × 3,562.35
  4. Step 4: Simplify right side
    12,327.36x = 65,874,922.76
  5. Step 5: Solve for x
    x = 65,874,922.76/12,327.36
  6. Step 6: Final answer
    x = 5,343.80

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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.