Home / 11,127.74-15,356.25-6,651.27

Finding the Fourth Proportional to 11,127.74, 15,356.25 and 6,651.27

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Solution

The fourth proportional to 11,127.74, 15,356.25 and 6,651.27 is: 9,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.74 : 15,356.25 = 6,651.27 : x
  2. Step 2: Convert to fraction form
    11,127.74/15,356.25 = 6,651.27/x
  3. Step 3: Cross multiply
    11,127.74x = 15,356.25 × 6,651.27
  4. Step 4: Simplify right side
    11,127.74x = 102,138,564.94
  5. Step 5: Solve for x
    x = 102,138,564.94/11,127.74
  6. Step 6: Final answer
    x = 9,178.74

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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.