Home / 11,375.42-17,040.99-6,430.10

Finding the Fourth Proportional to 11,375.42, 17,040.99 and 6,430.10

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Solution

The fourth proportional to 11,375.42, 17,040.99 and 6,430.10 is: 9,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.42 : 17,040.99 = 6,430.10 : x
  2. Step 2: Convert to fraction form
    11,375.42/17,040.99 = 6,430.10/x
  3. Step 3: Cross multiply
    11,375.42x = 17,040.99 × 6,430.10
  4. Step 4: Simplify right side
    11,375.42x = 109,575,269.80
  5. Step 5: Solve for x
    x = 109,575,269.80/11,375.42
  6. Step 6: Final answer
    x = 9,632.64

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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.