Home / 9,714.60-13,406.07-5,522.85

Finding the Fourth Proportional to 9,714.60, 13,406.07 and 5,522.85

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Solution

The fourth proportional to 9,714.60, 13,406.07 and 5,522.85 is: 7,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,714.60 : 13,406.07 = 5,522.85 : x
  2. Step 2: Convert to fraction form
    9,714.60/13,406.07 = 5,522.85/x
  3. Step 3: Cross multiply
    9,714.60x = 13,406.07 × 5,522.85
  4. Step 4: Simplify right side
    9,714.60x = 74,039,713.70
  5. Step 5: Solve for x
    x = 74,039,713.70/9,714.60
  6. Step 6: Final answer
    x = 7,621.49

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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.