Home / 12,020.62-16,586.86-6,714.58

Finding the Fourth Proportional to 12,020.62, 16,586.86 and 6,714.58

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Solution

The fourth proportional to 12,020.62, 16,586.86 and 6,714.58 is: 9,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.62 : 16,586.86 = 6,714.58 : x
  2. Step 2: Convert to fraction form
    12,020.62/16,586.86 = 6,714.58/x
  3. Step 3: Cross multiply
    12,020.62x = 16,586.86 × 6,714.58
  4. Step 4: Simplify right side
    12,020.62x = 111,373,798.42
  5. Step 5: Solve for x
    x = 111,373,798.42/12,020.62
  6. Step 6: Final answer
    x = 9,265.23

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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.