Home / 10,971.70-15,141.00-5,935.96

Finding the Fourth Proportional to 10,971.70, 15,141.00 and 5,935.96

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Solution

The fourth proportional to 10,971.70, 15,141.00 and 5,935.96 is: 8,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.70 : 15,141.00 = 5,935.96 : x
  2. Step 2: Convert to fraction form
    10,971.70/15,141.00 = 5,935.96/x
  3. Step 3: Cross multiply
    10,971.70x = 15,141.00 × 5,935.96
  4. Step 4: Simplify right side
    10,971.70x = 89,876,352.27
  5. Step 5: Solve for x
    x = 89,876,352.27/10,971.70
  6. Step 6: Final answer
    x = 8,191.65

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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.