Home / 7,675.84-11,511.32-2,480.48

Finding the Fourth Proportional to 7,675.84, 11,511.32 and 2,480.48

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Solution

The fourth proportional to 7,675.84, 11,511.32 and 2,480.48 is: 3,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.84 : 11,511.32 = 2,480.48 : x
  2. Step 2: Convert to fraction form
    7,675.84/11,511.32 = 2,480.48/x
  3. Step 3: Cross multiply
    7,675.84x = 11,511.32 × 2,480.48
  4. Step 4: Simplify right side
    7,675.84x = 28,553,599.03
  5. Step 5: Solve for x
    x = 28,553,599.03/7,675.84
  6. Step 6: Final answer
    x = 3,719.93

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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.