Home / 7,415.85-11,150.45-6,837.92

Finding the Fourth Proportional to 7,415.85, 11,150.45 and 6,837.92

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Solution

The fourth proportional to 7,415.85, 11,150.45 and 6,837.92 is: 10,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.85 : 11,150.45 = 6,837.92 : x
  2. Step 2: Convert to fraction form
    7,415.85/11,150.45 = 6,837.92/x
  3. Step 3: Cross multiply
    7,415.85x = 11,150.45 × 6,837.92
  4. Step 4: Simplify right side
    7,415.85x = 76,245,795.12
  5. Step 5: Solve for x
    x = 76,245,795.12/7,415.85
  6. Step 6: Final answer
    x = 10,281.46

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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.