Home / 11,862.55-16,369.18-6,556.51

Finding the Fourth Proportional to 11,862.55, 16,369.18 and 6,556.51

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Solution

The fourth proportional to 11,862.55, 16,369.18 and 6,556.51 is: 9,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.55 : 16,369.18 = 6,556.51 : x
  2. Step 2: Convert to fraction form
    11,862.55/16,369.18 = 6,556.51/x
  3. Step 3: Cross multiply
    11,862.55x = 16,369.18 × 6,556.51
  4. Step 4: Simplify right side
    11,862.55x = 107,324,692.36
  5. Step 5: Solve for x
    x = 107,324,692.36/11,862.55
  6. Step 6: Final answer
    x = 9,047.35

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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.