Home / 12,031.60-18,046.16-3,267.36

Finding the Fourth Proportional to 12,031.60, 18,046.16 and 3,267.36

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Solution

The fourth proportional to 12,031.60, 18,046.16 and 3,267.36 is: 4,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.60 : 18,046.16 = 3,267.36 : x
  2. Step 2: Convert to fraction form
    12,031.60/18,046.16 = 3,267.36/x
  3. Step 3: Cross multiply
    12,031.60x = 18,046.16 × 3,267.36
  4. Step 4: Simplify right side
    12,031.60x = 58,963,301.34
  5. Step 5: Solve for x
    x = 58,963,301.34/12,031.60
  6. Step 6: Final answer
    x = 4,900.70

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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.