Home / 7,272.39-10,033.28-4,126.76

Finding the Fourth Proportional to 7,272.39, 10,033.28 and 4,126.76

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Solution

The fourth proportional to 7,272.39, 10,033.28 and 4,126.76 is: 5,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.39 : 10,033.28 = 4,126.76 : x
  2. Step 2: Convert to fraction form
    7,272.39/10,033.28 = 4,126.76/x
  3. Step 3: Cross multiply
    7,272.39x = 10,033.28 × 4,126.76
  4. Step 4: Simplify right side
    7,272.39x = 41,404,867.77
  5. Step 5: Solve for x
    x = 41,404,867.77/7,272.39
  6. Step 6: Final answer
    x = 5,693.43

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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.