Home / 7,493.80-11,240.70-4,882.60

Finding the Fourth Proportional to 7,493.80, 11,240.70 and 4,882.60

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Solution

The fourth proportional to 7,493.80, 11,240.70 and 4,882.60 is: 7,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.80 : 11,240.70 = 4,882.60 : x
  2. Step 2: Convert to fraction form
    7,493.80/11,240.70 = 4,882.60/x
  3. Step 3: Cross multiply
    7,493.80x = 11,240.70 × 4,882.60
  4. Step 4: Simplify right side
    7,493.80x = 54,883,841.82
  5. Step 5: Solve for x
    x = 54,883,841.82/7,493.80
  6. Step 6: Final answer
    x = 7,323.90

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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.