Home / 8,070.24-12,105.60-3,450.24

Finding the Fourth Proportional to 8,070.24, 12,105.60 and 3,450.24

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Solution

The fourth proportional to 8,070.24, 12,105.60 and 3,450.24 is: 5,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.24 : 12,105.60 = 3,450.24 : x
  2. Step 2: Convert to fraction form
    8,070.24/12,105.60 = 3,450.24/x
  3. Step 3: Cross multiply
    8,070.24x = 12,105.60 × 3,450.24
  4. Step 4: Simplify right side
    8,070.24x = 41,767,225.34
  5. Step 5: Solve for x
    x = 41,767,225.34/8,070.24
  6. Step 6: Final answer
    x = 5,175.46

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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.