Home / 10,407.80-15,609.26-3,010.28

Finding the Fourth Proportional to 10,407.80, 15,609.26 and 3,010.28

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Solution

The fourth proportional to 10,407.80, 15,609.26 and 3,010.28 is: 4,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.80 : 15,609.26 = 3,010.28 : x
  2. Step 2: Convert to fraction form
    10,407.80/15,609.26 = 3,010.28/x
  3. Step 3: Cross multiply
    10,407.80x = 15,609.26 × 3,010.28
  4. Step 4: Simplify right side
    10,407.80x = 46,988,150.10
  5. Step 5: Solve for x
    x = 46,988,150.10/10,407.80
  6. Step 6: Final answer
    x = 4,514.71

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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.