Home / 11,292.92-16,936.18-7,126.68

Finding the Fourth Proportional to 11,292.92, 16,936.18 and 7,126.68

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Solution

The fourth proportional to 11,292.92, 16,936.18 and 7,126.68 is: 10,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.92 : 16,936.18 = 7,126.68 : x
  2. Step 2: Convert to fraction form
    11,292.92/16,936.18 = 7,126.68/x
  3. Step 3: Cross multiply
    11,292.92x = 16,936.18 × 7,126.68
  4. Step 4: Simplify right side
    11,292.92x = 120,698,735.28
  5. Step 5: Solve for x
    x = 120,698,735.28/11,292.92
  6. Step 6: Final answer
    x = 10,688.00

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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.