Home / 7,472.62-11,205.28-4,353.72

Finding the Fourth Proportional to 7,472.62, 11,205.28 and 4,353.72

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Solution

The fourth proportional to 7,472.62, 11,205.28 and 4,353.72 is: 6,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.62 : 11,205.28 = 4,353.72 : x
  2. Step 2: Convert to fraction form
    7,472.62/11,205.28 = 4,353.72/x
  3. Step 3: Cross multiply
    7,472.62x = 11,205.28 × 4,353.72
  4. Step 4: Simplify right side
    7,472.62x = 48,784,651.64
  5. Step 5: Solve for x
    x = 48,784,651.64/7,472.62
  6. Step 6: Final answer
    x = 6,528.45

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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.