Home / 11,016.28-15,206.16-6,305.32

Finding the Fourth Proportional to 11,016.28, 15,206.16 and 6,305.32

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Solution

The fourth proportional to 11,016.28, 15,206.16 and 6,305.32 is: 8,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.28 : 15,206.16 = 6,305.32 : x
  2. Step 2: Convert to fraction form
    11,016.28/15,206.16 = 6,305.32/x
  3. Step 3: Cross multiply
    11,016.28x = 15,206.16 × 6,305.32
  4. Step 4: Simplify right side
    11,016.28x = 95,879,704.77
  5. Step 5: Solve for x
    x = 95,879,704.77/11,016.28
  6. Step 6: Final answer
    x = 8,703.46

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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.