Home / 8,926.42-12,317.99-5,149.36

Finding the Fourth Proportional to 8,926.42, 12,317.99 and 5,149.36

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Solution

The fourth proportional to 8,926.42, 12,317.99 and 5,149.36 is: 7,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.42 : 12,317.99 = 5,149.36 : x
  2. Step 2: Convert to fraction form
    8,926.42/12,317.99 = 5,149.36/x
  3. Step 3: Cross multiply
    8,926.42x = 12,317.99 × 5,149.36
  4. Step 4: Simplify right side
    8,926.42x = 63,429,739.24
  5. Step 5: Solve for x
    x = 63,429,739.24/8,926.42
  6. Step 6: Final answer
    x = 7,105.84

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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.