Home / 10,777.18-16,159.67-4,195.79

Finding the Fourth Proportional to 10,777.18, 16,159.67 and 4,195.79

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Solution

The fourth proportional to 10,777.18, 16,159.67 and 4,195.79 is: 6,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.18 : 16,159.67 = 4,195.79 : x
  2. Step 2: Convert to fraction form
    10,777.18/16,159.67 = 4,195.79/x
  3. Step 3: Cross multiply
    10,777.18x = 16,159.67 × 4,195.79
  4. Step 4: Simplify right side
    10,777.18x = 67,802,560.81
  5. Step 5: Solve for x
    x = 67,802,560.81/10,777.18
  6. Step 6: Final answer
    x = 6,291.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.