Home / 11,151.24-15,388.47-6,901.17

Finding the Fourth Proportional to 11,151.24, 15,388.47 and 6,901.17

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Solution

The fourth proportional to 11,151.24, 15,388.47 and 6,901.17 is: 9,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.24 : 15,388.47 = 6,901.17 : x
  2. Step 2: Convert to fraction form
    11,151.24/15,388.47 = 6,901.17/x
  3. Step 3: Cross multiply
    11,151.24x = 15,388.47 × 6,901.17
  4. Step 4: Simplify right side
    11,151.24x = 106,198,447.51
  5. Step 5: Solve for x
    x = 106,198,447.51/11,151.24
  6. Step 6: Final answer
    x = 9,523.47

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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.