Home / 7,709.64-11,566.26-2,515.50

Finding the Fourth Proportional to 7,709.64, 11,566.26 and 2,515.50

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Solution

The fourth proportional to 7,709.64, 11,566.26 and 2,515.50 is: 3,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.64 : 11,566.26 = 2,515.50 : x
  2. Step 2: Convert to fraction form
    7,709.64/11,566.26 = 2,515.50/x
  3. Step 3: Cross multiply
    7,709.64x = 11,566.26 × 2,515.50
  4. Step 4: Simplify right side
    7,709.64x = 29,094,927.03
  5. Step 5: Solve for x
    x = 29,094,927.03/7,709.64
  6. Step 6: Final answer
    x = 3,773.84

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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.