Home / 11,816.10-16,306.92-6,511.32

Finding the Fourth Proportional to 11,816.10, 16,306.92 and 6,511.32

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Solution

The fourth proportional to 11,816.10, 16,306.92 and 6,511.32 is: 8,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.10 : 16,306.92 = 6,511.32 : x
  2. Step 2: Convert to fraction form
    11,816.10/16,306.92 = 6,511.32/x
  3. Step 3: Cross multiply
    11,816.10x = 16,306.92 × 6,511.32
  4. Step 4: Simplify right side
    11,816.10x = 106,179,574.33
  5. Step 5: Solve for x
    x = 106,179,574.33/11,816.10
  6. Step 6: Final answer
    x = 8,986.01

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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.