Home / 11,972.48-16,520.90-6,936.89

Finding the Fourth Proportional to 11,972.48, 16,520.90 and 6,936.89

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Solution

The fourth proportional to 11,972.48, 16,520.90 and 6,936.89 is: 9,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.48 : 16,520.90 = 6,936.89 : x
  2. Step 2: Convert to fraction form
    11,972.48/16,520.90 = 6,936.89/x
  3. Step 3: Cross multiply
    11,972.48x = 16,520.90 × 6,936.89
  4. Step 4: Simplify right side
    11,972.48x = 114,603,548.71
  5. Step 5: Solve for x
    x = 114,603,548.71/11,972.48
  6. Step 6: Final answer
    x = 9,572.25

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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.