Home / 10,649.93-15,972.81-4,074.54

Finding the Fourth Proportional to 10,649.93, 15,972.81 and 4,074.54

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Solution

The fourth proportional to 10,649.93, 15,972.81 and 4,074.54 is: 6,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.93 : 15,972.81 = 4,074.54 : x
  2. Step 2: Convert to fraction form
    10,649.93/15,972.81 = 4,074.54/x
  3. Step 3: Cross multiply
    10,649.93x = 15,972.81 × 4,074.54
  4. Step 4: Simplify right side
    10,649.93x = 65,081,853.26
  5. Step 5: Solve for x
    x = 65,081,853.26/10,649.93
  6. Step 6: Final answer
    x = 6,111.02

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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.