Home / 10,163.91-14,025.53-5,687.62

Finding the Fourth Proportional to 10,163.91, 14,025.53 and 5,687.62

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Solution

The fourth proportional to 10,163.91, 14,025.53 and 5,687.62 is: 7,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.91 : 14,025.53 = 5,687.62 : x
  2. Step 2: Convert to fraction form
    10,163.91/14,025.53 = 5,687.62/x
  3. Step 3: Cross multiply
    10,163.91x = 14,025.53 × 5,687.62
  4. Step 4: Simplify right side
    10,163.91x = 79,771,848.10
  5. Step 5: Solve for x
    x = 79,771,848.10/10,163.91
  6. Step 6: Final answer
    x = 7,848.54

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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.