Home / 12,749.17-19,124.97-4,958.59

Finding the Fourth Proportional to 12,749.17, 19,124.97 and 4,958.59

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Solution

The fourth proportional to 12,749.17, 19,124.97 and 4,958.59 is: 7,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.17 : 19,124.97 = 4,958.59 : x
  2. Step 2: Convert to fraction form
    12,749.17/19,124.97 = 4,958.59/x
  3. Step 3: Cross multiply
    12,749.17x = 19,124.97 × 4,958.59
  4. Step 4: Simplify right side
    12,749.17x = 94,832,884.99
  5. Step 5: Solve for x
    x = 94,832,884.99/12,749.17
  6. Step 6: Final answer
    x = 7,438.36

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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.