Home / 7,272.97-10,031.87-5,001.21

Finding the Fourth Proportional to 7,272.97, 10,031.87 and 5,001.21

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Solution

The fourth proportional to 7,272.97, 10,031.87 and 5,001.21 is: 6,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.97 : 10,031.87 = 5,001.21 : x
  2. Step 2: Convert to fraction form
    7,272.97/10,031.87 = 5,001.21/x
  3. Step 3: Cross multiply
    7,272.97x = 10,031.87 × 5,001.21
  4. Step 4: Simplify right side
    7,272.97x = 50,171,501.07
  5. Step 5: Solve for x
    x = 50,171,501.07/7,272.97
  6. Step 6: Final answer
    x = 6,898.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.