Home / 12,020.84-16,587.68-6,714.92

Finding the Fourth Proportional to 12,020.84, 16,587.68 and 6,714.92

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Solution

The fourth proportional to 12,020.84, 16,587.68 and 6,714.92 is: 9,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.84 : 16,587.68 = 6,714.92 : x
  2. Step 2: Convert to fraction form
    12,020.84/16,587.68 = 6,714.92/x
  3. Step 3: Cross multiply
    12,020.84x = 16,587.68 × 6,714.92
  4. Step 4: Simplify right side
    12,020.84x = 111,384,944.19
  5. Step 5: Solve for x
    x = 111,384,944.19/12,020.84
  6. Step 6: Final answer
    x = 9,265.99

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Double scale
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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.