Home / 7,999.77-11,039.58-4,463.04

Finding the Fourth Proportional to 7,999.77, 11,039.58 and 4,463.04

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Solution

The fourth proportional to 7,999.77, 11,039.58 and 4,463.04 is: 6,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.77 : 11,039.58 = 4,463.04 : x
  2. Step 2: Convert to fraction form
    7,999.77/11,039.58 = 4,463.04/x
  3. Step 3: Cross multiply
    7,999.77x = 11,039.58 × 4,463.04
  4. Step 4: Simplify right side
    7,999.77x = 49,270,087.12
  5. Step 5: Solve for x
    x = 49,270,087.12/7,999.77
  6. Step 6: Final answer
    x = 6,158.94

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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.