Home / 10,087.90-13,919.01-6,108.17

Finding the Fourth Proportional to 10,087.90, 13,919.01 and 6,108.17

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Solution

The fourth proportional to 10,087.90, 13,919.01 and 6,108.17 is: 8,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.90 : 13,919.01 = 6,108.17 : x
  2. Step 2: Convert to fraction form
    10,087.90/13,919.01 = 6,108.17/x
  3. Step 3: Cross multiply
    10,087.90x = 13,919.01 × 6,108.17
  4. Step 4: Simplify right side
    10,087.90x = 85,019,586.81
  5. Step 5: Solve for x
    x = 85,019,586.81/10,087.90
  6. Step 6: Final answer
    x = 8,427.88

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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.