Home / 11,416.14-15,751.87-6,697.69

Finding the Fourth Proportional to 11,416.14, 15,751.87 and 6,697.69

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Solution

The fourth proportional to 11,416.14, 15,751.87 and 6,697.69 is: 9,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.14 : 15,751.87 = 6,697.69 : x
  2. Step 2: Convert to fraction form
    11,416.14/15,751.87 = 6,697.69/x
  3. Step 3: Cross multiply
    11,416.14x = 15,751.87 × 6,697.69
  4. Step 4: Simplify right side
    11,416.14x = 105,501,086.06
  5. Step 5: Solve for x
    x = 105,501,086.06/11,416.14
  6. Step 6: Final answer
    x = 9,241.40

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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.