Home / 13,337.33-18,405.18-8,794.46

Finding the Fourth Proportional to 13,337.33, 18,405.18 and 8,794.46

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Solution

The fourth proportional to 13,337.33, 18,405.18 and 8,794.46 is: 12,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.33 : 18,405.18 = 8,794.46 : x
  2. Step 2: Convert to fraction form
    13,337.33/18,405.18 = 8,794.46/x
  3. Step 3: Cross multiply
    13,337.33x = 18,405.18 × 8,794.46
  4. Step 4: Simplify right side
    13,337.33x = 161,863,619.30
  5. Step 5: Solve for x
    x = 161,863,619.30/13,337.33
  6. Step 6: Final answer
    x = 12,136.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.