Home / 7,476.32-11,200.12-4,179.42

Finding the Fourth Proportional to 7,476.32, 11,200.12 and 4,179.42

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Solution

The fourth proportional to 7,476.32, 11,200.12 and 4,179.42 is: 6,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.32 : 11,200.12 = 4,179.42 : x
  2. Step 2: Convert to fraction form
    7,476.32/11,200.12 = 4,179.42/x
  3. Step 3: Cross multiply
    7,476.32x = 11,200.12 × 4,179.42
  4. Step 4: Simplify right side
    7,476.32x = 46,809,995.08
  5. Step 5: Solve for x
    x = 46,809,995.08/7,476.32
  6. Step 6: Final answer
    x = 6,261.10

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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.