Home / 10,868.37-16,291.53-6,178.69

Finding the Fourth Proportional to 10,868.37, 16,291.53 and 6,178.69

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Solution

The fourth proportional to 10,868.37, 16,291.53 and 6,178.69 is: 9,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.37 : 16,291.53 = 6,178.69 : x
  2. Step 2: Convert to fraction form
    10,868.37/16,291.53 = 6,178.69/x
  3. Step 3: Cross multiply
    10,868.37x = 16,291.53 × 6,178.69
  4. Step 4: Simplify right side
    10,868.37x = 100,660,282.60
  5. Step 5: Solve for x
    x = 100,660,282.60/10,868.37
  6. Step 6: Final answer
    x = 9,261.76

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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.