Home / 11,249.13-15,523.80-6,281.13

Finding the Fourth Proportional to 11,249.13, 15,523.80 and 6,281.13

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Solution

The fourth proportional to 11,249.13, 15,523.80 and 6,281.13 is: 8,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.13 : 15,523.80 = 6,281.13 : x
  2. Step 2: Convert to fraction form
    11,249.13/15,523.80 = 6,281.13/x
  3. Step 3: Cross multiply
    11,249.13x = 15,523.80 × 6,281.13
  4. Step 4: Simplify right side
    11,249.13x = 97,507,005.89
  5. Step 5: Solve for x
    x = 97,507,005.89/11,249.13
  6. Step 6: Final answer
    x = 8,667.96

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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.