Home / 12,310.76-18,466.51-4,814.02

Finding the Fourth Proportional to 12,310.76, 18,466.51 and 4,814.02

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Solution

The fourth proportional to 12,310.76, 18,466.51 and 4,814.02 is: 7,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.76 : 18,466.51 = 4,814.02 : x
  2. Step 2: Convert to fraction form
    12,310.76/18,466.51 = 4,814.02/x
  3. Step 3: Cross multiply
    12,310.76x = 18,466.51 × 4,814.02
  4. Step 4: Simplify right side
    12,310.76x = 88,898,102.30
  5. Step 5: Solve for x
    x = 88,898,102.30/12,310.76
  6. Step 6: Final answer
    x = 7,221.17

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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.