Home / 11,409.26-15,744.66-6,692.64

Finding the Fourth Proportional to 11,409.26, 15,744.66 and 6,692.64

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Solution

The fourth proportional to 11,409.26, 15,744.66 and 6,692.64 is: 9,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.26 : 15,744.66 = 6,692.64 : x
  2. Step 2: Convert to fraction form
    11,409.26/15,744.66 = 6,692.64/x
  3. Step 3: Cross multiply
    11,409.26x = 15,744.66 × 6,692.64
  4. Step 4: Simplify right side
    11,409.26x = 105,373,341.30
  5. Step 5: Solve for x
    x = 105,373,341.30/11,409.26
  6. Step 6: Final answer
    x = 9,235.77

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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.