Home / 10,116.89-15,177.59-3,097.89

Finding the Fourth Proportional to 10,116.89, 15,177.59 and 3,097.89

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Solution

The fourth proportional to 10,116.89, 15,177.59 and 3,097.89 is: 4,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.89 : 15,177.59 = 3,097.89 : x
  2. Step 2: Convert to fraction form
    10,116.89/15,177.59 = 3,097.89/x
  3. Step 3: Cross multiply
    10,116.89x = 15,177.59 × 3,097.89
  4. Step 4: Simplify right side
    10,116.89x = 47,018,504.29
  5. Step 5: Solve for x
    x = 47,018,504.29/10,116.89
  6. Step 6: Final answer
    x = 4,647.53

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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.