Home / 10,644.87-14,688.99-5,863.89

Finding the Fourth Proportional to 10,644.87, 14,688.99 and 5,863.89

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Solution

The fourth proportional to 10,644.87, 14,688.99 and 5,863.89 is: 8,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.87 : 14,688.99 = 5,863.89 : x
  2. Step 2: Convert to fraction form
    10,644.87/14,688.99 = 5,863.89/x
  3. Step 3: Cross multiply
    10,644.87x = 14,688.99 × 5,863.89
  4. Step 4: Simplify right side
    10,644.87x = 86,134,621.57
  5. Step 5: Solve for x
    x = 86,134,621.57/10,644.87
  6. Step 6: Final answer
    x = 8,091.66

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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.