Home / 10,449.12-14,419.68-5,733.12

Finding the Fourth Proportional to 10,449.12, 14,419.68 and 5,733.12

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Solution

The fourth proportional to 10,449.12, 14,419.68 and 5,733.12 is: 7,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.12 : 14,419.68 = 5,733.12 : x
  2. Step 2: Convert to fraction form
    10,449.12/14,419.68 = 5,733.12/x
  3. Step 3: Cross multiply
    10,449.12x = 14,419.68 × 5,733.12
  4. Step 4: Simplify right side
    10,449.12x = 82,669,755.80
  5. Step 5: Solve for x
    x = 82,669,755.80/10,449.12
  6. Step 6: Final answer
    x = 7,911.65

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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.