Home / 7,997.28-11,036.10-4,640.04

Finding the Fourth Proportional to 7,997.28, 11,036.10 and 4,640.04

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Solution

The fourth proportional to 7,997.28, 11,036.10 and 4,640.04 is: 6,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.28 : 11,036.10 = 4,640.04 : x
  2. Step 2: Convert to fraction form
    7,997.28/11,036.10 = 4,640.04/x
  3. Step 3: Cross multiply
    7,997.28x = 11,036.10 × 4,640.04
  4. Step 4: Simplify right side
    7,997.28x = 51,207,945.44
  5. Step 5: Solve for x
    x = 51,207,945.44/7,997.28
  6. Step 6: Final answer
    x = 6,403.17

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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.