Home / 6,867.45-10,338.30-6,255.09

Finding the Fourth Proportional to 6,867.45, 10,338.30 and 6,255.09

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Solution

The fourth proportional to 6,867.45, 10,338.30 and 6,255.09 is: 9,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.45 : 10,338.30 = 6,255.09 : x
  2. Step 2: Convert to fraction form
    6,867.45/10,338.30 = 6,255.09/x
  3. Step 3: Cross multiply
    6,867.45x = 10,338.30 × 6,255.09
  4. Step 4: Simplify right side
    6,867.45x = 64,666,996.95
  5. Step 5: Solve for x
    x = 64,666,996.95/6,867.45
  6. Step 6: Final answer
    x = 9,416.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.