Home / 12,019.38-16,587.45-6,714.33

Finding the Fourth Proportional to 12,019.38, 16,587.45 and 6,714.33

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Solution

The fourth proportional to 12,019.38, 16,587.45 and 6,714.33 is: 9,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.38 : 16,587.45 = 6,714.33 : x
  2. Step 2: Convert to fraction form
    12,019.38/16,587.45 = 6,714.33/x
  3. Step 3: Cross multiply
    12,019.38x = 16,587.45 × 6,714.33
  4. Step 4: Simplify right side
    12,019.38x = 111,373,613.16
  5. Step 5: Solve for x
    x = 111,373,613.16/12,019.38
  6. Step 6: Final answer
    x = 9,266.17

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Half 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.