Home / 7,972.28-10,996.59-6,293.15

Finding the Fourth Proportional to 7,972.28, 10,996.59 and 6,293.15

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Solution

The fourth proportional to 7,972.28, 10,996.59 and 6,293.15 is: 8,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.28 : 10,996.59 = 6,293.15 : x
  2. Step 2: Convert to fraction form
    7,972.28/10,996.59 = 6,293.15/x
  3. Step 3: Cross multiply
    7,972.28x = 10,996.59 × 6,293.15
  4. Step 4: Simplify right side
    7,972.28x = 69,203,190.36
  5. Step 5: Solve for x
    x = 69,203,190.36/7,972.28
  6. Step 6: Final answer
    x = 8,680.48

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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.