Home / 7,631.10-10,532.19-5,239.12

Finding the Fourth Proportional to 7,631.10, 10,532.19 and 5,239.12

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Solution

The fourth proportional to 7,631.10, 10,532.19 and 5,239.12 is: 7,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.10 : 10,532.19 = 5,239.12 : x
  2. Step 2: Convert to fraction form
    7,631.10/10,532.19 = 5,239.12/x
  3. Step 3: Cross multiply
    7,631.10x = 10,532.19 × 5,239.12
  4. Step 4: Simplify right side
    7,631.10x = 55,179,383.42
  5. Step 5: Solve for x
    x = 55,179,383.42/7,631.10
  6. Step 6: Final answer
    x = 7,230.85

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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.