Home / 7,434.80-11,148.60-4,144.40

Finding the Fourth Proportional to 7,434.80, 11,148.60 and 4,144.40

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Solution

The fourth proportional to 7,434.80, 11,148.60 and 4,144.40 is: 6,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.80 : 11,148.60 = 4,144.40 : x
  2. Step 2: Convert to fraction form
    7,434.80/11,148.60 = 4,144.40/x
  3. Step 3: Cross multiply
    7,434.80x = 11,148.60 × 4,144.40
  4. Step 4: Simplify right side
    7,434.80x = 46,204,257.84
  5. Step 5: Solve for x
    x = 46,204,257.84/7,434.80
  6. Step 6: Final answer
    x = 6,214.59

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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.