Home / 10,031.82-15,046.47-2,636.91

Finding the Fourth Proportional to 10,031.82, 15,046.47 and 2,636.91

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Solution

The fourth proportional to 10,031.82, 15,046.47 and 2,636.91 is: 3,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.82 : 15,046.47 = 2,636.91 : x
  2. Step 2: Convert to fraction form
    10,031.82/15,046.47 = 2,636.91/x
  3. Step 3: Cross multiply
    10,031.82x = 15,046.47 × 2,636.91
  4. Step 4: Simplify right side
    10,031.82x = 39,676,187.21
  5. Step 5: Solve for x
    x = 39,676,187.21/10,031.82
  6. Step 6: Final answer
    x = 3,955.03

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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.