Home / 11,420.25-17,132.84-4,846.29

Finding the Fourth Proportional to 11,420.25, 17,132.84 and 4,846.29

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Solution

The fourth proportional to 11,420.25, 17,132.84 and 4,846.29 is: 7,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.25 : 17,132.84 = 4,846.29 : x
  2. Step 2: Convert to fraction form
    11,420.25/17,132.84 = 4,846.29/x
  3. Step 3: Cross multiply
    11,420.25x = 17,132.84 × 4,846.29
  4. Step 4: Simplify right side
    11,420.25x = 83,030,686.93
  5. Step 5: Solve for x
    x = 83,030,686.93/11,420.25
  6. Step 6: Final answer
    x = 7,270.48

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1.5x scale

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.