Home / 11,862.51-16,369.45-6,556.60

Finding the Fourth Proportional to 11,862.51, 16,369.45 and 6,556.60

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Solution

The fourth proportional to 11,862.51, 16,369.45 and 6,556.60 is: 9,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.51 : 16,369.45 = 6,556.60 : x
  2. Step 2: Convert to fraction form
    11,862.51/16,369.45 = 6,556.60/x
  3. Step 3: Cross multiply
    11,862.51x = 16,369.45 × 6,556.60
  4. Step 4: Simplify right side
    11,862.51x = 107,327,935.87
  5. Step 5: Solve for x
    x = 107,327,935.87/11,862.51
  6. Step 6: Final answer
    x = 9,047.66

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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.