Home / 11,077.36-16,551.17-10,689.77

Finding the Fourth Proportional to 11,077.36, 16,551.17 and 10,689.77

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Solution

The fourth proportional to 11,077.36, 16,551.17 and 10,689.77 is: 15,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.36 : 16,551.17 = 10,689.77 : x
  2. Step 2: Convert to fraction form
    11,077.36/16,551.17 = 10,689.77/x
  3. Step 3: Cross multiply
    11,077.36x = 16,551.17 × 10,689.77
  4. Step 4: Simplify right side
    11,077.36x = 176,928,273.64
  5. Step 5: Solve for x
    x = 176,928,273.64/11,077.36
  6. Step 6: Final answer
    x = 15,972.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.