Home / 10,349.75-15,512.47-4,791.35

Finding the Fourth Proportional to 10,349.75, 15,512.47 and 4,791.35

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Solution

The fourth proportional to 10,349.75, 15,512.47 and 4,791.35 is: 7,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.75 : 15,512.47 = 4,791.35 : x
  2. Step 2: Convert to fraction form
    10,349.75/15,512.47 = 4,791.35/x
  3. Step 3: Cross multiply
    10,349.75x = 15,512.47 × 4,791.35
  4. Step 4: Simplify right side
    10,349.75x = 74,325,699.94
  5. Step 5: Solve for x
    x = 74,325,699.94/10,349.75
  6. Step 6: Final answer
    x = 7,181.40

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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.