Home / 12,157.15-16,776.87-6,568.15

Finding the Fourth Proportional to 12,157.15, 16,776.87 and 6,568.15

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Solution

The fourth proportional to 12,157.15, 16,776.87 and 6,568.15 is: 9,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.15 : 16,776.87 = 6,568.15 : x
  2. Step 2: Convert to fraction form
    12,157.15/16,776.87 = 6,568.15/x
  3. Step 3: Cross multiply
    12,157.15x = 16,776.87 × 6,568.15
  4. Step 4: Simplify right side
    12,157.15x = 110,192,998.69
  5. Step 5: Solve for x
    x = 110,192,998.69/12,157.15
  6. Step 6: Final answer
    x = 9,064.05

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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.