Home / 11,926.96-16,459.26-6,891.06

Finding the Fourth Proportional to 11,926.96, 16,459.26 and 6,891.06

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Solution

The fourth proportional to 11,926.96, 16,459.26 and 6,891.06 is: 9,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.96 : 16,459.26 = 6,891.06 : x
  2. Step 2: Convert to fraction form
    11,926.96/16,459.26 = 6,891.06/x
  3. Step 3: Cross multiply
    11,926.96x = 16,459.26 × 6,891.06
  4. Step 4: Simplify right side
    11,926.96x = 113,421,748.22
  5. Step 5: Solve for x
    x = 113,421,748.22/11,926.96
  6. Step 6: Final answer
    x = 9,509.69

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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.