Home / 12,436.66-18,649.14-5,035.49

Finding the Fourth Proportional to 12,436.66, 18,649.14 and 5,035.49

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Solution

The fourth proportional to 12,436.66, 18,649.14 and 5,035.49 is: 7,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.66 : 18,649.14 = 5,035.49 : x
  2. Step 2: Convert to fraction form
    12,436.66/18,649.14 = 5,035.49/x
  3. Step 3: Cross multiply
    12,436.66x = 18,649.14 × 5,035.49
  4. Step 4: Simplify right side
    12,436.66x = 93,907,557.98
  5. Step 5: Solve for x
    x = 93,907,557.98/12,436.66
  6. Step 6: Final answer
    x = 7,550.87

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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.