Home / 12,472.83-18,703.73-4,676.18

Finding the Fourth Proportional to 12,472.83, 18,703.73 and 4,676.18

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Solution

The fourth proportional to 12,472.83, 18,703.73 and 4,676.18 is: 7,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.83 : 18,703.73 = 4,676.18 : x
  2. Step 2: Convert to fraction form
    12,472.83/18,703.73 = 4,676.18/x
  3. Step 3: Cross multiply
    12,472.83x = 18,703.73 × 4,676.18
  4. Step 4: Simplify right side
    12,472.83x = 87,461,891.25
  5. Step 5: Solve for x
    x = 87,461,891.25/12,472.83
  6. Step 6: Final answer
    x = 7,012.19

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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.