Home / 12,019.87-16,587.33-6,714.68

Finding the Fourth Proportional to 12,019.87, 16,587.33 and 6,714.68

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Solution

The fourth proportional to 12,019.87, 16,587.33 and 6,714.68 is: 9,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.87 : 16,587.33 = 6,714.68 : x
  2. Step 2: Convert to fraction form
    12,019.87/16,587.33 = 6,714.68/x
  3. Step 3: Cross multiply
    12,019.87x = 16,587.33 × 6,714.68
  4. Step 4: Simplify right side
    12,019.87x = 111,378,613.00
  5. Step 5: Solve for x
    x = 111,378,613.00/12,019.87
  6. Step 6: Final answer
    x = 9,266.21

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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.