Home / 11,213.91-15,475.82-6,741.50

Finding the Fourth Proportional to 11,213.91, 15,475.82 and 6,741.50

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Solution

The fourth proportional to 11,213.91, 15,475.82 and 6,741.50 is: 9,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.91 : 15,475.82 = 6,741.50 : x
  2. Step 2: Convert to fraction form
    11,213.91/15,475.82 = 6,741.50/x
  3. Step 3: Cross multiply
    11,213.91x = 15,475.82 × 6,741.50
  4. Step 4: Simplify right side
    11,213.91x = 104,330,129.44
  5. Step 5: Solve for x
    x = 104,330,129.44/11,213.91
  6. Step 6: Final answer
    x = 9,303.64

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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.