Home / 10,106.01-15,161.58-3,180.51

Finding the Fourth Proportional to 10,106.01, 15,161.58 and 3,180.51

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Solution

The fourth proportional to 10,106.01, 15,161.58 and 3,180.51 is: 4,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.01 : 15,161.58 = 3,180.51 : x
  2. Step 2: Convert to fraction form
    10,106.01/15,161.58 = 3,180.51/x
  3. Step 3: Cross multiply
    10,106.01x = 15,161.58 × 3,180.51
  4. Step 4: Simplify right side
    10,106.01x = 48,221,556.81
  5. Step 5: Solve for x
    x = 48,221,556.81/10,106.01
  6. Step 6: Final answer
    x = 4,771.57

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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.