Home / 6,972.28-9,630.09-5,080.83

Finding the Fourth Proportional to 6,972.28, 9,630.09 and 5,080.83

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Solution

The fourth proportional to 6,972.28, 9,630.09 and 5,080.83 is: 7,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.28 : 9,630.09 = 5,080.83 : x
  2. Step 2: Convert to fraction form
    6,972.28/9,630.09 = 5,080.83/x
  3. Step 3: Cross multiply
    6,972.28x = 9,630.09 × 5,080.83
  4. Step 4: Simplify right side
    6,972.28x = 48,928,814.06
  5. Step 5: Solve for x
    x = 48,928,814.06/6,972.28
  6. Step 6: Final answer
    x = 7,017.62

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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.