Home / 11,005.53-15,187.34-6,697.01

Finding the Fourth Proportional to 11,005.53, 15,187.34 and 6,697.01

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Solution

The fourth proportional to 11,005.53, 15,187.34 and 6,697.01 is: 9,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.53 : 15,187.34 = 6,697.01 : x
  2. Step 2: Convert to fraction form
    11,005.53/15,187.34 = 6,697.01/x
  3. Step 3: Cross multiply
    11,005.53x = 15,187.34 × 6,697.01
  4. Step 4: Simplify right side
    11,005.53x = 101,709,658.43
  5. Step 5: Solve for x
    x = 101,709,658.43/11,005.53
  6. Step 6: Final answer
    x = 9,241.69

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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.