Home / 10,635.11-15,953.56-3,239.63

Finding the Fourth Proportional to 10,635.11, 15,953.56 and 3,239.63

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Solution

The fourth proportional to 10,635.11, 15,953.56 and 3,239.63 is: 4,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.11 : 15,953.56 = 3,239.63 : x
  2. Step 2: Convert to fraction form
    10,635.11/15,953.56 = 3,239.63/x
  3. Step 3: Cross multiply
    10,635.11x = 15,953.56 × 3,239.63
  4. Step 4: Simplify right side
    10,635.11x = 51,683,551.82
  5. Step 5: Solve for x
    x = 51,683,551.82/10,635.11
  6. Step 6: Final answer
    x = 4,859.71

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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.