Home / 7,646.58-11,476.09-3,949.89

Finding the Fourth Proportional to 7,646.58, 11,476.09 and 3,949.89

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Solution

The fourth proportional to 7,646.58, 11,476.09 and 3,949.89 is: 5,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.58 : 11,476.09 = 3,949.89 : x
  2. Step 2: Convert to fraction form
    7,646.58/11,476.09 = 3,949.89/x
  3. Step 3: Cross multiply
    7,646.58x = 11,476.09 × 3,949.89
  4. Step 4: Simplify right side
    7,646.58x = 45,329,293.13
  5. Step 5: Solve for x
    x = 45,329,293.13/7,646.58
  6. Step 6: Final answer
    x = 5,928.05

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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.