Home / 11,928.35-16,463.22-7,454.99

Finding the Fourth Proportional to 11,928.35, 16,463.22 and 7,454.99

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Solution

The fourth proportional to 11,928.35, 16,463.22 and 7,454.99 is: 10,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.35 : 16,463.22 = 7,454.99 : x
  2. Step 2: Convert to fraction form
    11,928.35/16,463.22 = 7,454.99/x
  3. Step 3: Cross multiply
    11,928.35x = 16,463.22 × 7,454.99
  4. Step 4: Simplify right side
    11,928.35x = 122,733,140.47
  5. Step 5: Solve for x
    x = 122,733,140.47/11,928.35
  6. Step 6: Final answer
    x = 10,289.20

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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.