Home / 12,079.91-16,670.21-6,702.29

Finding the Fourth Proportional to 12,079.91, 16,670.21 and 6,702.29

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Solution

The fourth proportional to 12,079.91, 16,670.21 and 6,702.29 is: 9,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.91 : 16,670.21 = 6,702.29 : x
  2. Step 2: Convert to fraction form
    12,079.91/16,670.21 = 6,702.29/x
  3. Step 3: Cross multiply
    12,079.91x = 16,670.21 × 6,702.29
  4. Step 4: Simplify right side
    12,079.91x = 111,728,581.78
  5. Step 5: Solve for x
    x = 111,728,581.78/12,079.91
  6. Step 6: Final answer
    x = 9,249.12

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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.