Home / 7,615.12-11,422.74-2,683.64

Finding the Fourth Proportional to 7,615.12, 11,422.74 and 2,683.64

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Solution

The fourth proportional to 7,615.12, 11,422.74 and 2,683.64 is: 4,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.12 : 11,422.74 = 2,683.64 : x
  2. Step 2: Convert to fraction form
    7,615.12/11,422.74 = 2,683.64/x
  3. Step 3: Cross multiply
    7,615.12x = 11,422.74 × 2,683.64
  4. Step 4: Simplify right side
    7,615.12x = 30,654,521.97
  5. Step 5: Solve for x
    x = 30,654,521.97/7,615.12
  6. Step 6: Final answer
    x = 4,025.48

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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.