Home / 12,063.72-18,101.34-4,276.20

Finding the Fourth Proportional to 12,063.72, 18,101.34 and 4,276.20

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Solution

The fourth proportional to 12,063.72, 18,101.34 and 4,276.20 is: 6,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.72 : 18,101.34 = 4,276.20 : x
  2. Step 2: Convert to fraction form
    12,063.72/18,101.34 = 4,276.20/x
  3. Step 3: Cross multiply
    12,063.72x = 18,101.34 × 4,276.20
  4. Step 4: Simplify right side
    12,063.72x = 77,404,950.11
  5. Step 5: Solve for x
    x = 77,404,950.11/12,063.72
  6. Step 6: Final answer
    x = 6,416.34

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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.