Home / 12,845.85-19,269.96-5,052.84

Finding the Fourth Proportional to 12,845.85, 19,269.96 and 5,052.84

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Solution

The fourth proportional to 12,845.85, 19,269.96 and 5,052.84 is: 7,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.85 : 19,269.96 = 5,052.84 : x
  2. Step 2: Convert to fraction form
    12,845.85/19,269.96 = 5,052.84/x
  3. Step 3: Cross multiply
    12,845.85x = 19,269.96 × 5,052.84
  4. Step 4: Simplify right side
    12,845.85x = 97,368,024.69
  5. Step 5: Solve for x
    x = 97,368,024.69/12,845.85
  6. Step 6: Final answer
    x = 7,579.73

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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.