Home / 10,968.08-15,132.12-7,610

Finding the Fourth Proportional to 10,968.08, 15,132.12 and 7,610

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Solution

The fourth proportional to 10,968.08, 15,132.12 and 7,610 is: 10,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.08 : 15,132.12 = 7,610 : x
  2. Step 2: Convert to fraction form
    10,968.08/15,132.12 = 7,610/x
  3. Step 3: Cross multiply
    10,968.08x = 15,132.12 × 7,610
  4. Step 4: Simplify right side
    10,968.08x = 115,155,433.20
  5. Step 5: Solve for x
    x = 115,155,433.20/10,968.08
  6. Step 6: Final answer
    x = 10,499.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.