Home / 7,999.91-11,039.84-4,463.13

Finding the Fourth Proportional to 7,999.91, 11,039.84 and 4,463.13

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Solution

The fourth proportional to 7,999.91, 11,039.84 and 4,463.13 is: 6,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.91 : 11,039.84 = 4,463.13 : x
  2. Step 2: Convert to fraction form
    7,999.91/11,039.84 = 4,463.13/x
  3. Step 3: Cross multiply
    7,999.91x = 11,039.84 × 4,463.13
  4. Step 4: Simplify right side
    7,999.91x = 49,272,241.10
  5. Step 5: Solve for x
    x = 49,272,241.10/7,999.91
  6. Step 6: Final answer
    x = 6,159.10

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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.