Home / 8,770.26-12,106.43-5,414.43

Finding the Fourth Proportional to 8,770.26, 12,106.43 and 5,414.43

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Solution

The fourth proportional to 8,770.26, 12,106.43 and 5,414.43 is: 7,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.26 : 12,106.43 = 5,414.43 : x
  2. Step 2: Convert to fraction form
    8,770.26/12,106.43 = 5,414.43/x
  3. Step 3: Cross multiply
    8,770.26x = 12,106.43 × 5,414.43
  4. Step 4: Simplify right side
    8,770.26x = 65,549,417.78
  5. Step 5: Solve for x
    x = 65,549,417.78/8,770.26
  6. Step 6: Final answer
    x = 7,474.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.