Home / 12,379.93-17,084.26-6,714.66

Finding the Fourth Proportional to 12,379.93, 17,084.26 and 6,714.66

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Solution

The fourth proportional to 12,379.93, 17,084.26 and 6,714.66 is: 9,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.93 : 17,084.26 = 6,714.66 : x
  2. Step 2: Convert to fraction form
    12,379.93/17,084.26 = 6,714.66/x
  3. Step 3: Cross multiply
    12,379.93x = 17,084.26 × 6,714.66
  4. Step 4: Simplify right side
    12,379.93x = 114,714,935.84
  5. Step 5: Solve for x
    x = 114,714,935.84/12,379.93
  6. Step 6: Final answer
    x = 9,266.20

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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.