Home / 6,111.62-9,172.04-4,472.40

Finding the Fourth Proportional to 6,111.62, 9,172.04 and 4,472.40

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Solution

The fourth proportional to 6,111.62, 9,172.04 and 4,472.40 is: 6,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.62 : 9,172.04 = 4,472.40 : x
  2. Step 2: Convert to fraction form
    6,111.62/9,172.04 = 4,472.40/x
  3. Step 3: Cross multiply
    6,111.62x = 9,172.04 × 4,472.40
  4. Step 4: Simplify right side
    6,111.62x = 41,021,031.70
  5. Step 5: Solve for x
    x = 41,021,031.70/6,111.62
  6. Step 6: Final answer
    x = 6,711.97

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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.