Home / 12,040.02-18,068.67-4,249.62

Finding the Fourth Proportional to 12,040.02, 18,068.67 and 4,249.62

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Solution

The fourth proportional to 12,040.02, 18,068.67 and 4,249.62 is: 6,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.02 : 18,068.67 = 4,249.62 : x
  2. Step 2: Convert to fraction form
    12,040.02/18,068.67 = 4,249.62/x
  3. Step 3: Cross multiply
    12,040.02x = 18,068.67 × 4,249.62
  4. Step 4: Simplify right side
    12,040.02x = 76,784,981.41
  5. Step 5: Solve for x
    x = 76,784,981.41/12,040.02
  6. Step 6: Final answer
    x = 6,377.48

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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.