Home / 7,459.92-11,191.59-3,455.28

Finding the Fourth Proportional to 7,459.92, 11,191.59 and 3,455.28

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Solution

The fourth proportional to 7,459.92, 11,191.59 and 3,455.28 is: 5,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.92 : 11,191.59 = 3,455.28 : x
  2. Step 2: Convert to fraction form
    7,459.92/11,191.59 = 3,455.28/x
  3. Step 3: Cross multiply
    7,459.92x = 11,191.59 × 3,455.28
  4. Step 4: Simplify right side
    7,459.92x = 38,670,077.10
  5. Step 5: Solve for x
    x = 38,670,077.10/7,459.92
  6. Step 6: Final answer
    x = 5,183.71

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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.