Home / 7,422.36-11,116.45-4,294.61

Finding the Fourth Proportional to 7,422.36, 11,116.45 and 4,294.61

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Solution

The fourth proportional to 7,422.36, 11,116.45 and 4,294.61 is: 6,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.36 : 11,116.45 = 4,294.61 : x
  2. Step 2: Convert to fraction form
    7,422.36/11,116.45 = 4,294.61/x
  3. Step 3: Cross multiply
    7,422.36x = 11,116.45 × 4,294.61
  4. Step 4: Simplify right side
    7,422.36x = 47,740,799.21
  5. Step 5: Solve for x
    x = 47,740,799.21/7,422.36
  6. Step 6: Final answer
    x = 6,432.03

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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.