Home / 10,214.28-14,098.64-6,181.11

Finding the Fourth Proportional to 10,214.28, 14,098.64 and 6,181.11

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Solution

The fourth proportional to 10,214.28, 14,098.64 and 6,181.11 is: 8,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.28 : 14,098.64 = 6,181.11 : x
  2. Step 2: Convert to fraction form
    10,214.28/14,098.64 = 6,181.11/x
  3. Step 3: Cross multiply
    10,214.28x = 14,098.64 × 6,181.11
  4. Step 4: Simplify right side
    10,214.28x = 87,145,213.78
  5. Step 5: Solve for x
    x = 87,145,213.78/10,214.28
  6. Step 6: Final answer
    x = 8,531.70

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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.