Home / 7,469.05-10,305.42-4,742.59

Finding the Fourth Proportional to 7,469.05, 10,305.42 and 4,742.59

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Solution

The fourth proportional to 7,469.05, 10,305.42 and 4,742.59 is: 6,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.05 : 10,305.42 = 4,742.59 : x
  2. Step 2: Convert to fraction form
    7,469.05/10,305.42 = 4,742.59/x
  3. Step 3: Cross multiply
    7,469.05x = 10,305.42 × 4,742.59
  4. Step 4: Simplify right side
    7,469.05x = 48,874,366.46
  5. Step 5: Solve for x
    x = 48,874,366.46/7,469.05
  6. Step 6: Final answer
    x = 6,543.59

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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.