Home / 7,999.26-11,036.08-4,640.22

Finding the Fourth Proportional to 7,999.26, 11,036.08 and 4,640.22

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Solution

The fourth proportional to 7,999.26, 11,036.08 and 4,640.22 is: 6,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.26 : 11,036.08 = 4,640.22 : x
  2. Step 2: Convert to fraction form
    7,999.26/11,036.08 = 4,640.22/x
  3. Step 3: Cross multiply
    7,999.26x = 11,036.08 × 4,640.22
  4. Step 4: Simplify right side
    7,999.26x = 51,209,844.94
  5. Step 5: Solve for x
    x = 51,209,844.94/7,999.26
  6. Step 6: Final answer
    x = 6,401.83

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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.