Home / 10,449.40-14,420.40-5,733.69

Finding the Fourth Proportional to 10,449.40, 14,420.40 and 5,733.69

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Solution

The fourth proportional to 10,449.40, 14,420.40 and 5,733.69 is: 7,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.40 : 14,420.40 = 5,733.69 : x
  2. Step 2: Convert to fraction form
    10,449.40/14,420.40 = 5,733.69/x
  3. Step 3: Cross multiply
    10,449.40x = 14,420.40 × 5,733.69
  4. Step 4: Simplify right side
    10,449.40x = 82,682,103.28
  5. Step 5: Solve for x
    x = 82,682,103.28/10,449.40
  6. Step 6: Final answer
    x = 7,912.62

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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.