Home / 10,431.24-14,395.26-6,238.68

Finding the Fourth Proportional to 10,431.24, 14,395.26 and 6,238.68

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Solution

The fourth proportional to 10,431.24, 14,395.26 and 6,238.68 is: 8,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.24 : 14,395.26 = 6,238.68 : x
  2. Step 2: Convert to fraction form
    10,431.24/14,395.26 = 6,238.68/x
  3. Step 3: Cross multiply
    10,431.24x = 14,395.26 × 6,238.68
  4. Step 4: Simplify right side
    10,431.24x = 89,807,420.66
  5. Step 5: Solve for x
    x = 89,807,420.66/10,431.24
  6. Step 6: Final answer
    x = 8,609.47

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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.