Home / 11,926.05-17,856.12-8,995.47

Finding the Fourth Proportional to 11,926.05, 17,856.12 and 8,995.47

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Solution

The fourth proportional to 11,926.05, 17,856.12 and 8,995.47 is: 13,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.05 : 17,856.12 = 8,995.47 : x
  2. Step 2: Convert to fraction form
    11,926.05/17,856.12 = 8,995.47/x
  3. Step 3: Cross multiply
    11,926.05x = 17,856.12 × 8,995.47
  4. Step 4: Simplify right side
    11,926.05x = 160,624,191.78
  5. Step 5: Solve for x
    x = 160,624,191.78/11,926.05
  6. Step 6: Final answer
    x = 13,468.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.