Home / 11,650.42-16,078.24-6,345.14

Finding the Fourth Proportional to 11,650.42, 16,078.24 and 6,345.14

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Solution

The fourth proportional to 11,650.42, 16,078.24 and 6,345.14 is: 8,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.42 : 16,078.24 = 6,345.14 : x
  2. Step 2: Convert to fraction form
    11,650.42/16,078.24 = 6,345.14/x
  3. Step 3: Cross multiply
    11,650.42x = 16,078.24 × 6,345.14
  4. Step 4: Simplify right side
    11,650.42x = 102,018,683.75
  5. Step 5: Solve for x
    x = 102,018,683.75/11,650.42
  6. Step 6: Final answer
    x = 8,756.65

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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.