Home / 11,858.90-16,365.60-6,554.06

Finding the Fourth Proportional to 11,858.90, 16,365.60 and 6,554.06

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Solution

The fourth proportional to 11,858.90, 16,365.60 and 6,554.06 is: 9,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.90 : 16,365.60 = 6,554.06 : x
  2. Step 2: Convert to fraction form
    11,858.90/16,365.60 = 6,554.06/x
  3. Step 3: Cross multiply
    11,858.90x = 16,365.60 × 6,554.06
  4. Step 4: Simplify right side
    11,858.90x = 107,261,042.51
  5. Step 5: Solve for x
    x = 107,261,042.51/11,858.90
  6. Step 6: Final answer
    x = 9,044.78

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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.