Home / 12,200.59-18,301.97-3,435.58

Finding the Fourth Proportional to 12,200.59, 18,301.97 and 3,435.58

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Solution

The fourth proportional to 12,200.59, 18,301.97 and 3,435.58 is: 5,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.59 : 18,301.97 = 3,435.58 : x
  2. Step 2: Convert to fraction form
    12,200.59/18,301.97 = 3,435.58/x
  3. Step 3: Cross multiply
    12,200.59x = 18,301.97 × 3,435.58
  4. Step 4: Simplify right side
    12,200.59x = 62,877,864.91
  5. Step 5: Solve for x
    x = 62,877,864.91/12,200.59
  6. Step 6: Final answer
    x = 5,153.67

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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.