Home / 10,613.63-15,920.27-2,716.08

Finding the Fourth Proportional to 10,613.63, 15,920.27 and 2,716.08

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Solution

The fourth proportional to 10,613.63, 15,920.27 and 2,716.08 is: 4,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.63 : 15,920.27 = 2,716.08 : x
  2. Step 2: Convert to fraction form
    10,613.63/15,920.27 = 2,716.08/x
  3. Step 3: Cross multiply
    10,613.63x = 15,920.27 × 2,716.08
  4. Step 4: Simplify right side
    10,613.63x = 43,240,660.29
  5. Step 5: Solve for x
    x = 43,240,660.29/10,613.63
  6. Step 6: Final answer
    x = 4,074.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.