Home / 7,974.84-11,005.23-4,438.05

Finding the Fourth Proportional to 7,974.84, 11,005.23 and 4,438.05

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Solution

The fourth proportional to 7,974.84, 11,005.23 and 4,438.05 is: 6,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.84 : 11,005.23 = 4,438.05 : x
  2. Step 2: Convert to fraction form
    7,974.84/11,005.23 = 4,438.05/x
  3. Step 3: Cross multiply
    7,974.84x = 11,005.23 × 4,438.05
  4. Step 4: Simplify right side
    7,974.84x = 48,841,761.00
  5. Step 5: Solve for x
    x = 48,841,761.00/7,974.84
  6. Step 6: Final answer
    x = 6,124.48

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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.