Home / 10,581.09-15,878.93-4,744.23

Finding the Fourth Proportional to 10,581.09, 15,878.93 and 4,744.23

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Solution

The fourth proportional to 10,581.09, 15,878.93 and 4,744.23 is: 7,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.09 : 15,878.93 = 4,744.23 : x
  2. Step 2: Convert to fraction form
    10,581.09/15,878.93 = 4,744.23/x
  3. Step 3: Cross multiply
    10,581.09x = 15,878.93 × 4,744.23
  4. Step 4: Simplify right side
    10,581.09x = 75,333,272.35
  5. Step 5: Solve for x
    x = 75,333,272.35/10,581.09
  6. Step 6: Final answer
    x = 7,119.61

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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.