Home / 11,997.48-16,553.16-6,960.70

Finding the Fourth Proportional to 11,997.48, 16,553.16 and 6,960.70

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Solution

The fourth proportional to 11,997.48, 16,553.16 and 6,960.70 is: 9,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.48 : 16,553.16 = 6,960.70 : x
  2. Step 2: Convert to fraction form
    11,997.48/16,553.16 = 6,960.70/x
  3. Step 3: Cross multiply
    11,997.48x = 16,553.16 × 6,960.70
  4. Step 4: Simplify right side
    11,997.48x = 115,221,580.81
  5. Step 5: Solve for x
    x = 115,221,580.81/11,997.48
  6. Step 6: Final answer
    x = 9,603.82

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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.