Home / 13,100.01-19,650.15-5,307

Finding the Fourth Proportional to 13,100.01, 19,650.15 and 5,307

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Solution

The fourth proportional to 13,100.01, 19,650.15 and 5,307 is: 7,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.01 : 19,650.15 = 5,307 : x
  2. Step 2: Convert to fraction form
    13,100.01/19,650.15 = 5,307/x
  3. Step 3: Cross multiply
    13,100.01x = 19,650.15 × 5,307
  4. Step 4: Simplify right side
    13,100.01x = 104,283,346.05
  5. Step 5: Solve for x
    x = 104,283,346.05/13,100.01
  6. Step 6: Final answer
    x = 7,960.55

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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.