Home / 8,924.21-13,447.58-7,398.44

Finding the Fourth Proportional to 8,924.21, 13,447.58 and 7,398.44

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Solution

The fourth proportional to 8,924.21, 13,447.58 and 7,398.44 is: 11,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.21 : 13,447.58 = 7,398.44 : x
  2. Step 2: Convert to fraction form
    8,924.21/13,447.58 = 7,398.44/x
  3. Step 3: Cross multiply
    8,924.21x = 13,447.58 × 7,398.44
  4. Step 4: Simplify right side
    8,924.21x = 99,491,009.55
  5. Step 5: Solve for x
    x = 99,491,009.55/8,924.21
  6. Step 6: Final answer
    x = 11,148.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.