Home / 10,104.08-13,942.80-6,127.38

Finding the Fourth Proportional to 10,104.08, 13,942.80 and 6,127.38

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Solution

The fourth proportional to 10,104.08, 13,942.80 and 6,127.38 is: 8,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.08 : 13,942.80 = 6,127.38 : x
  2. Step 2: Convert to fraction form
    10,104.08/13,942.80 = 6,127.38/x
  3. Step 3: Cross multiply
    10,104.08x = 13,942.80 × 6,127.38
  4. Step 4: Simplify right side
    10,104.08x = 85,432,833.86
  5. Step 5: Solve for x
    x = 85,432,833.86/10,104.08
  6. Step 6: Final answer
    x = 8,455.29

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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.