Home / 10,119.51-15,180.53-5,433.08

Finding the Fourth Proportional to 10,119.51, 15,180.53 and 5,433.08

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Solution

The fourth proportional to 10,119.51, 15,180.53 and 5,433.08 is: 8,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.51 : 15,180.53 = 5,433.08 : x
  2. Step 2: Convert to fraction form
    10,119.51/15,180.53 = 5,433.08/x
  3. Step 3: Cross multiply
    10,119.51x = 15,180.53 × 5,433.08
  4. Step 4: Simplify right side
    10,119.51x = 82,476,971.61
  5. Step 5: Solve for x
    x = 82,476,971.61/10,119.51
  6. Step 6: Final answer
    x = 8,150.30

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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.