Home / 8,900.18-13,349.88-2,236.66

Finding the Fourth Proportional to 8,900.18, 13,349.88 and 2,236.66

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Solution

The fourth proportional to 8,900.18, 13,349.88 and 2,236.66 is: 3,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.18 : 13,349.88 = 2,236.66 : x
  2. Step 2: Convert to fraction form
    8,900.18/13,349.88 = 2,236.66/x
  3. Step 3: Cross multiply
    8,900.18x = 13,349.88 × 2,236.66
  4. Step 4: Simplify right side
    8,900.18x = 29,859,148.19
  5. Step 5: Solve for x
    x = 29,859,148.19/8,900.18
  6. Step 6: Final answer
    x = 3,354.89

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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.