Home / 12,316.66-18,472.86-4,002.62

Finding the Fourth Proportional to 12,316.66, 18,472.86 and 4,002.62

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Solution

The fourth proportional to 12,316.66, 18,472.86 and 4,002.62 is: 6,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.66 : 18,472.86 = 4,002.62 : x
  2. Step 2: Convert to fraction form
    12,316.66/18,472.86 = 4,002.62/x
  3. Step 3: Cross multiply
    12,316.66x = 18,472.86 × 4,002.62
  4. Step 4: Simplify right side
    12,316.66x = 73,939,746.53
  5. Step 5: Solve for x
    x = 73,939,746.53/12,316.66
  6. Step 6: Final answer
    x = 6,003.23

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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.