Home / 7,972.17-11,003.49-4,827.75

Finding the Fourth Proportional to 7,972.17, 11,003.49 and 4,827.75

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Solution

The fourth proportional to 7,972.17, 11,003.49 and 4,827.75 is: 6,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.17 : 11,003.49 = 4,827.75 : x
  2. Step 2: Convert to fraction form
    7,972.17/11,003.49 = 4,827.75/x
  3. Step 3: Cross multiply
    7,972.17x = 11,003.49 × 4,827.75
  4. Step 4: Simplify right side
    7,972.17x = 53,122,098.85
  5. Step 5: Solve for x
    x = 53,122,098.85/7,972.17
  6. Step 6: Final answer
    x = 6,663.44

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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.