Home / 12,023.35-18,037.91-5,447.77

Finding the Fourth Proportional to 12,023.35, 18,037.91 and 5,447.77

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Solution

The fourth proportional to 12,023.35, 18,037.91 and 5,447.77 is: 8,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.35 : 18,037.91 = 5,447.77 : x
  2. Step 2: Convert to fraction form
    12,023.35/18,037.91 = 5,447.77/x
  3. Step 3: Cross multiply
    12,023.35x = 18,037.91 × 5,447.77
  4. Step 4: Simplify right side
    12,023.35x = 98,266,312.63
  5. Step 5: Solve for x
    x = 98,266,312.63/12,023.35
  6. Step 6: Final answer
    x = 8,172.96

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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.