Home / 10,142.16-15,204.36-4,874.54

Finding the Fourth Proportional to 10,142.16, 15,204.36 and 4,874.54

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Solution

The fourth proportional to 10,142.16, 15,204.36 and 4,874.54 is: 7,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.16 : 15,204.36 = 4,874.54 : x
  2. Step 2: Convert to fraction form
    10,142.16/15,204.36 = 4,874.54/x
  3. Step 3: Cross multiply
    10,142.16x = 15,204.36 × 4,874.54
  4. Step 4: Simplify right side
    10,142.16x = 74,114,260.99
  5. Step 5: Solve for x
    x = 74,114,260.99/10,142.16
  6. Step 6: Final answer
    x = 7,307.54

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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.