Home / 12,495.98-18,744.30-5,472.38

Finding the Fourth Proportional to 12,495.98, 18,744.30 and 5,472.38

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Solution

The fourth proportional to 12,495.98, 18,744.30 and 5,472.38 is: 8,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.98 : 18,744.30 = 5,472.38 : x
  2. Step 2: Convert to fraction form
    12,495.98/18,744.30 = 5,472.38/x
  3. Step 3: Cross multiply
    12,495.98x = 18,744.30 × 5,472.38
  4. Step 4: Simplify right side
    12,495.98x = 102,575,838.71
  5. Step 5: Solve for x
    x = 102,575,838.71/12,495.98
  6. Step 6: Final answer
    x = 8,208.71

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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.