Home / 7,928.25-10,911.86-6,796.48

Finding the Fourth Proportional to 7,928.25, 10,911.86 and 6,796.48

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Solution

The fourth proportional to 7,928.25, 10,911.86 and 6,796.48 is: 9,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.25 : 10,911.86 = 6,796.48 : x
  2. Step 2: Convert to fraction form
    7,928.25/10,911.86 = 6,796.48/x
  3. Step 3: Cross multiply
    7,928.25x = 10,911.86 × 6,796.48
  4. Step 4: Simplify right side
    7,928.25x = 74,162,176.99
  5. Step 5: Solve for x
    x = 74,162,176.99/7,928.25
  6. Step 6: Final answer
    x = 9,354.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.