Home / 7,515.58-11,273.37-2,585.26

Finding the Fourth Proportional to 7,515.58, 11,273.37 and 2,585.26

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Solution

The fourth proportional to 7,515.58, 11,273.37 and 2,585.26 is: 3,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.58 : 11,273.37 = 2,585.26 : x
  2. Step 2: Convert to fraction form
    7,515.58/11,273.37 = 2,585.26/x
  3. Step 3: Cross multiply
    7,515.58x = 11,273.37 × 2,585.26
  4. Step 4: Simplify right side
    7,515.58x = 29,144,592.53
  5. Step 5: Solve for x
    x = 29,144,592.53/7,515.58
  6. Step 6: Final answer
    x = 3,877.89

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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.