Home / 12,749.20-17,592.36-7,083.92

Finding the Fourth Proportional to 12,749.20, 17,592.36 and 7,083.92

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Solution

The fourth proportional to 12,749.20, 17,592.36 and 7,083.92 is: 9,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.20 : 17,592.36 = 7,083.92 : x
  2. Step 2: Convert to fraction form
    12,749.20/17,592.36 = 7,083.92/x
  3. Step 3: Cross multiply
    12,749.20x = 17,592.36 × 7,083.92
  4. Step 4: Simplify right side
    12,749.20x = 124,622,870.85
  5. Step 5: Solve for x
    x = 124,622,870.85/12,749.20
  6. Step 6: Final answer
    x = 9,774.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.