Home / 7,515.08-11,272.62-2,584.76

Finding the Fourth Proportional to 7,515.08, 11,272.62 and 2,584.76

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Solution

The fourth proportional to 7,515.08, 11,272.62 and 2,584.76 is: 3,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.08 : 11,272.62 = 2,584.76 : x
  2. Step 2: Convert to fraction form
    7,515.08/11,272.62 = 2,584.76/x
  3. Step 3: Cross multiply
    7,515.08x = 11,272.62 × 2,584.76
  4. Step 4: Simplify right side
    7,515.08x = 29,137,019.47
  5. Step 5: Solve for x
    x = 29,137,019.47/7,515.08
  6. Step 6: Final answer
    x = 3,877.14

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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.