Home / 10,369.13-15,550.51-2,971.61

Finding the Fourth Proportional to 10,369.13, 15,550.51 and 2,971.61

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Solution

The fourth proportional to 10,369.13, 15,550.51 and 2,971.61 is: 4,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.13 : 15,550.51 = 2,971.61 : x
  2. Step 2: Convert to fraction form
    10,369.13/15,550.51 = 2,971.61/x
  3. Step 3: Cross multiply
    10,369.13x = 15,550.51 × 2,971.61
  4. Step 4: Simplify right side
    10,369.13x = 46,209,958.41
  5. Step 5: Solve for x
    x = 46,209,958.41/10,369.13
  6. Step 6: Final answer
    x = 4,456.49

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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.