Home / 12,356.66-18,535.81-4,350.46

Finding the Fourth Proportional to 12,356.66, 18,535.81 and 4,350.46

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Solution

The fourth proportional to 12,356.66, 18,535.81 and 4,350.46 is: 6,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.66 : 18,535.81 = 4,350.46 : x
  2. Step 2: Convert to fraction form
    12,356.66/18,535.81 = 4,350.46/x
  3. Step 3: Cross multiply
    12,356.66x = 18,535.81 × 4,350.46
  4. Step 4: Simplify right side
    12,356.66x = 80,639,299.97
  5. Step 5: Solve for x
    x = 80,639,299.97/12,356.66
  6. Step 6: Final answer
    x = 6,525.98

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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.