Home / 11,430.18-17,145.16-3,110.07

Finding the Fourth Proportional to 11,430.18, 17,145.16 and 3,110.07

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Solution

The fourth proportional to 11,430.18, 17,145.16 and 3,110.07 is: 4,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.18 : 17,145.16 = 3,110.07 : x
  2. Step 2: Convert to fraction form
    11,430.18/17,145.16 = 3,110.07/x
  3. Step 3: Cross multiply
    11,430.18x = 17,145.16 × 3,110.07
  4. Step 4: Simplify right side
    11,430.18x = 53,322,647.76
  5. Step 5: Solve for x
    x = 53,322,647.76/11,430.18
  6. Step 6: Final answer
    x = 4,665.08

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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.