Home / 7,479.88-11,196.12-4,182.98

Finding the Fourth Proportional to 7,479.88, 11,196.12 and 4,182.98

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Solution

The fourth proportional to 7,479.88, 11,196.12 and 4,182.98 is: 6,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.88 : 11,196.12 = 4,182.98 : x
  2. Step 2: Convert to fraction form
    7,479.88/11,196.12 = 4,182.98/x
  3. Step 3: Cross multiply
    7,479.88x = 11,196.12 × 4,182.98
  4. Step 4: Simplify right side
    7,479.88x = 46,833,105.74
  5. Step 5: Solve for x
    x = 46,833,105.74/7,479.88
  6. Step 6: Final answer
    x = 6,261.21

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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.