Home / 12,372.98-18,546.51-4,975.70

Finding the Fourth Proportional to 12,372.98, 18,546.51 and 4,975.70

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Solution

The fourth proportional to 12,372.98, 18,546.51 and 4,975.70 is: 7,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.98 : 18,546.51 = 4,975.70 : x
  2. Step 2: Convert to fraction form
    12,372.98/18,546.51 = 4,975.70/x
  3. Step 3: Cross multiply
    12,372.98x = 18,546.51 × 4,975.70
  4. Step 4: Simplify right side
    12,372.98x = 92,281,869.81
  5. Step 5: Solve for x
    x = 92,281,869.81/12,372.98
  6. Step 6: Final answer
    x = 7,458.34

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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.