Home / 10,087.91-13,919.05-6,108.94

Finding the Fourth Proportional to 10,087.91, 13,919.05 and 6,108.94

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Solution

The fourth proportional to 10,087.91, 13,919.05 and 6,108.94 is: 8,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.91 : 13,919.05 = 6,108.94 : x
  2. Step 2: Convert to fraction form
    10,087.91/13,919.05 = 6,108.94/x
  3. Step 3: Cross multiply
    10,087.91x = 13,919.05 × 6,108.94
  4. Step 4: Simplify right side
    10,087.91x = 85,030,641.31
  5. Step 5: Solve for x
    x = 85,030,641.31/10,087.91
  6. Step 6: Final answer
    x = 8,428.97

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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.