Home / 10,896.29-15,039.23-6,916.62

Finding the Fourth Proportional to 10,896.29, 15,039.23 and 6,916.62

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Solution

The fourth proportional to 10,896.29, 15,039.23 and 6,916.62 is: 9,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.29 : 15,039.23 = 6,916.62 : x
  2. Step 2: Convert to fraction form
    10,896.29/15,039.23 = 6,916.62/x
  3. Step 3: Cross multiply
    10,896.29x = 15,039.23 × 6,916.62
  4. Step 4: Simplify right side
    10,896.29x = 104,020,604.42
  5. Step 5: Solve for x
    x = 104,020,604.42/10,896.29
  6. Step 6: Final answer
    x = 9,546.43

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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.