Home / 8,030.99-12,044.32-2,186.21

Finding the Fourth Proportional to 8,030.99, 12,044.32 and 2,186.21

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Solution

The fourth proportional to 8,030.99, 12,044.32 and 2,186.21 is: 3,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.99 : 12,044.32 = 2,186.21 : x
  2. Step 2: Convert to fraction form
    8,030.99/12,044.32 = 2,186.21/x
  3. Step 3: Cross multiply
    8,030.99x = 12,044.32 × 2,186.21
  4. Step 4: Simplify right side
    8,030.99x = 26,331,412.83
  5. Step 5: Solve for x
    x = 26,331,412.83/8,030.99
  6. Step 6: Final answer
    x = 3,278.73

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Half scale
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Double scale
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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.