Home / 8,521.70-12,801.18-6,072.26

Finding the Fourth Proportional to 8,521.70, 12,801.18 and 6,072.26

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Solution

The fourth proportional to 8,521.70, 12,801.18 and 6,072.26 is: 9,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.70 : 12,801.18 = 6,072.26 : x
  2. Step 2: Convert to fraction form
    8,521.70/12,801.18 = 6,072.26/x
  3. Step 3: Cross multiply
    8,521.70x = 12,801.18 × 6,072.26
  4. Step 4: Simplify right side
    8,521.70x = 77,732,093.27
  5. Step 5: Solve for x
    x = 77,732,093.27/8,521.70
  6. Step 6: Final answer
    x = 9,121.67

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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.