Home / 9,020.46-13,530.70-3,175.72

Finding the Fourth Proportional to 9,020.46, 13,530.70 and 3,175.72

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Solution

The fourth proportional to 9,020.46, 13,530.70 and 3,175.72 is: 4,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.46 : 13,530.70 = 3,175.72 : x
  2. Step 2: Convert to fraction form
    9,020.46/13,530.70 = 3,175.72/x
  3. Step 3: Cross multiply
    9,020.46x = 13,530.70 × 3,175.72
  4. Step 4: Simplify right side
    9,020.46x = 42,969,714.60
  5. Step 5: Solve for x
    x = 42,969,714.60/9,020.46
  6. Step 6: Final answer
    x = 4,763.58

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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.