Home / 12,749.06-19,131.08-5,352.95

Finding the Fourth Proportional to 12,749.06, 19,131.08 and 5,352.95

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Solution

The fourth proportional to 12,749.06, 19,131.08 and 5,352.95 is: 8,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.06 : 19,131.08 = 5,352.95 : x
  2. Step 2: Convert to fraction form
    12,749.06/19,131.08 = 5,352.95/x
  3. Step 3: Cross multiply
    12,749.06x = 19,131.08 × 5,352.95
  4. Step 4: Simplify right side
    12,749.06x = 102,407,653.48
  5. Step 5: Solve for x
    x = 102,407,653.48/12,749.06
  6. Step 6: Final answer
    x = 8,032.57

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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.