Home / 11,943.47-17,894.37-7,253.57

Finding the Fourth Proportional to 11,943.47, 17,894.37 and 7,253.57

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Solution

The fourth proportional to 11,943.47, 17,894.37 and 7,253.57 is: 10,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.47 : 17,894.37 = 7,253.57 : x
  2. Step 2: Convert to fraction form
    11,943.47/17,894.37 = 7,253.57/x
  3. Step 3: Cross multiply
    11,943.47x = 17,894.37 × 7,253.57
  4. Step 4: Simplify right side
    11,943.47x = 129,798,003.13
  5. Step 5: Solve for x
    x = 129,798,003.13/11,943.47
  6. Step 6: Final answer
    x = 10,867.70

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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.