Home / 12,214.95-18,309.92-4,816.41

Finding the Fourth Proportional to 12,214.95, 18,309.92 and 4,816.41

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Solution

The fourth proportional to 12,214.95, 18,309.92 and 4,816.41 is: 7,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.95 : 18,309.92 = 4,816.41 : x
  2. Step 2: Convert to fraction form
    12,214.95/18,309.92 = 4,816.41/x
  3. Step 3: Cross multiply
    12,214.95x = 18,309.92 × 4,816.41
  4. Step 4: Simplify right side
    12,214.95x = 88,188,057.71
  5. Step 5: Solve for x
    x = 88,188,057.71/12,214.95
  6. Step 6: Final answer
    x = 7,219.68

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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.