Home / 7,511.12-11,268.52-2,580.83

Finding the Fourth Proportional to 7,511.12, 11,268.52 and 2,580.83

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Solution

The fourth proportional to 7,511.12, 11,268.52 and 2,580.83 is: 3,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.12 : 11,268.52 = 2,580.83 : x
  2. Step 2: Convert to fraction form
    7,511.12/11,268.52 = 2,580.83/x
  3. Step 3: Cross multiply
    7,511.12x = 11,268.52 × 2,580.83
  4. Step 4: Simplify right side
    7,511.12x = 29,082,065.22
  5. Step 5: Solve for x
    x = 29,082,065.22/7,511.12
  6. Step 6: Final answer
    x = 3,871.87

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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.