Home / 7,318.62-10,099.89-4,335.12

Finding the Fourth Proportional to 7,318.62, 10,099.89 and 4,335.12

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Solution

The fourth proportional to 7,318.62, 10,099.89 and 4,335.12 is: 5,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.62 : 10,099.89 = 4,335.12 : x
  2. Step 2: Convert to fraction form
    7,318.62/10,099.89 = 4,335.12/x
  3. Step 3: Cross multiply
    7,318.62x = 10,099.89 × 4,335.12
  4. Step 4: Simplify right side
    7,318.62x = 43,784,235.14
  5. Step 5: Solve for x
    x = 43,784,235.14/7,318.62
  6. Step 6: Final answer
    x = 5,982.58

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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.