Home / 10,777.35-14,868.16-6,175.69

Finding the Fourth Proportional to 10,777.35, 14,868.16 and 6,175.69

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Solution

The fourth proportional to 10,777.35, 14,868.16 and 6,175.69 is: 8,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.35 : 14,868.16 = 6,175.69 : x
  2. Step 2: Convert to fraction form
    10,777.35/14,868.16 = 6,175.69/x
  3. Step 3: Cross multiply
    10,777.35x = 14,868.16 × 6,175.69
  4. Step 4: Simplify right side
    10,777.35x = 91,821,178.05
  5. Step 5: Solve for x
    x = 91,821,178.05/10,777.35
  6. Step 6: Final answer
    x = 8,519.83

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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.