Home / 11,883.10-16,398.47-6,577.80

Finding the Fourth Proportional to 11,883.10, 16,398.47 and 6,577.80

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Solution

The fourth proportional to 11,883.10, 16,398.47 and 6,577.80 is: 9,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.10 : 16,398.47 = 6,577.80 : x
  2. Step 2: Convert to fraction form
    11,883.10/16,398.47 = 6,577.80/x
  3. Step 3: Cross multiply
    11,883.10x = 16,398.47 × 6,577.80
  4. Step 4: Simplify right side
    11,883.10x = 107,865,855.97
  5. Step 5: Solve for x
    x = 107,865,855.97/11,883.10
  6. Step 6: Final answer
    x = 9,077.25

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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.