Home / 12,307.37-18,459.08-4,408.43

Finding the Fourth Proportional to 12,307.37, 18,459.08 and 4,408.43

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Solution

The fourth proportional to 12,307.37, 18,459.08 and 4,408.43 is: 6,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.37 : 18,459.08 = 4,408.43 : x
  2. Step 2: Convert to fraction form
    12,307.37/18,459.08 = 4,408.43/x
  3. Step 3: Cross multiply
    12,307.37x = 18,459.08 × 4,408.43
  4. Step 4: Simplify right side
    12,307.37x = 81,375,447.71
  5. Step 5: Solve for x
    x = 81,375,447.71/12,307.37
  6. Step 6: Final answer
    x = 6,611.93

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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.