Home / 7,950.22-11,925.59-3,999.32

Finding the Fourth Proportional to 7,950.22, 11,925.59 and 3,999.32

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Solution

The fourth proportional to 7,950.22, 11,925.59 and 3,999.32 is: 5,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.22 : 11,925.59 = 3,999.32 : x
  2. Step 2: Convert to fraction form
    7,950.22/11,925.59 = 3,999.32/x
  3. Step 3: Cross multiply
    7,950.22x = 11,925.59 × 3,999.32
  4. Step 4: Simplify right side
    7,950.22x = 47,694,284.75
  5. Step 5: Solve for x
    x = 47,694,284.75/7,950.22
  6. Step 6: Final answer
    x = 5,999.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.