Home / 12,011.43-18,014.65-3,244.30

Finding the Fourth Proportional to 12,011.43, 18,014.65 and 3,244.30

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Solution

The fourth proportional to 12,011.43, 18,014.65 and 3,244.30 is: 4,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.43 : 18,014.65 = 3,244.30 : x
  2. Step 2: Convert to fraction form
    12,011.43/18,014.65 = 3,244.30/x
  3. Step 3: Cross multiply
    12,011.43x = 18,014.65 × 3,244.30
  4. Step 4: Simplify right side
    12,011.43x = 58,444,875.85
  5. Step 5: Solve for x
    x = 58,444,875.85/12,011.43
  6. Step 6: Final answer
    x = 4,865.77

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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.