Home / 11,213.13-15,475.94-6,500.14

Finding the Fourth Proportional to 11,213.13, 15,475.94 and 6,500.14

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Solution

The fourth proportional to 11,213.13, 15,475.94 and 6,500.14 is: 8,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.13 : 15,475.94 = 6,500.14 : x
  2. Step 2: Convert to fraction form
    11,213.13/15,475.94 = 6,500.14/x
  3. Step 3: Cross multiply
    11,213.13x = 15,475.94 × 6,500.14
  4. Step 4: Simplify right side
    11,213.13x = 100,595,776.63
  5. Step 5: Solve for x
    x = 100,595,776.63/11,213.13
  6. Step 6: Final answer
    x = 8,971.25

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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.