Home / 6,997.04-10,472.88-5,147.76

Finding the Fourth Proportional to 6,997.04, 10,472.88 and 5,147.76

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Solution

The fourth proportional to 6,997.04, 10,472.88 and 5,147.76 is: 7,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.04 : 10,472.88 = 5,147.76 : x
  2. Step 2: Convert to fraction form
    6,997.04/10,472.88 = 5,147.76/x
  3. Step 3: Cross multiply
    6,997.04x = 10,472.88 × 5,147.76
  4. Step 4: Simplify right side
    6,997.04x = 53,911,872.75
  5. Step 5: Solve for x
    x = 53,911,872.75/6,997.04
  6. Step 6: Final answer
    x = 7,704.95

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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.