Home / 11,741.98-16,204.34-6,436.80

Finding the Fourth Proportional to 11,741.98, 16,204.34 and 6,436.80

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Solution

The fourth proportional to 11,741.98, 16,204.34 and 6,436.80 is: 8,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.98 : 16,204.34 = 6,436.80 : x
  2. Step 2: Convert to fraction form
    11,741.98/16,204.34 = 6,436.80/x
  3. Step 3: Cross multiply
    11,741.98x = 16,204.34 × 6,436.80
  4. Step 4: Simplify right side
    11,741.98x = 104,304,095.71
  5. Step 5: Solve for x
    x = 104,304,095.71/11,741.98
  6. Step 6: Final answer
    x = 8,883.01

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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.