Home / 8,729.24-13,095.48-2,889.92

Finding the Fourth Proportional to 8,729.24, 13,095.48 and 2,889.92

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Solution

The fourth proportional to 8,729.24, 13,095.48 and 2,889.92 is: 4,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.24 : 13,095.48 = 2,889.92 : x
  2. Step 2: Convert to fraction form
    8,729.24/13,095.48 = 2,889.92/x
  3. Step 3: Cross multiply
    8,729.24x = 13,095.48 × 2,889.92
  4. Step 4: Simplify right side
    8,729.24x = 37,844,889.56
  5. Step 5: Solve for x
    x = 37,844,889.56/8,729.24
  6. Step 6: Final answer
    x = 4,335.42

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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.