Home / 7,715.44-11,579.24-3,967.07

Finding the Fourth Proportional to 7,715.44, 11,579.24 and 3,967.07

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Solution

The fourth proportional to 7,715.44, 11,579.24 and 3,967.07 is: 5,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.44 : 11,579.24 = 3,967.07 : x
  2. Step 2: Convert to fraction form
    7,715.44/11,579.24 = 3,967.07/x
  3. Step 3: Cross multiply
    7,715.44x = 11,579.24 × 3,967.07
  4. Step 4: Simplify right side
    7,715.44x = 45,935,655.63
  5. Step 5: Solve for x
    x = 45,935,655.63/7,715.44
  6. Step 6: Final answer
    x = 5,953.73

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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.