Home / 10,850.70-14,975.56-6,872.18

Finding the Fourth Proportional to 10,850.70, 14,975.56 and 6,872.18

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Solution

The fourth proportional to 10,850.70, 14,975.56 and 6,872.18 is: 9,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.70 : 14,975.56 = 6,872.18 : x
  2. Step 2: Convert to fraction form
    10,850.70/14,975.56 = 6,872.18/x
  3. Step 3: Cross multiply
    10,850.70x = 14,975.56 × 6,872.18
  4. Step 4: Simplify right side
    10,850.70x = 102,914,672.12
  5. Step 5: Solve for x
    x = 102,914,672.12/10,850.70
  6. Step 6: Final answer
    x = 9,484.62

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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.