Home / 7,477.50-11,217.99-4,192.86

Finding the Fourth Proportional to 7,477.50, 11,217.99 and 4,192.86

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Solution

The fourth proportional to 7,477.50, 11,217.99 and 4,192.86 is: 6,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.50 : 11,217.99 = 4,192.86 : x
  2. Step 2: Convert to fraction form
    7,477.50/11,217.99 = 4,192.86/x
  3. Step 3: Cross multiply
    7,477.50x = 11,217.99 × 4,192.86
  4. Step 4: Simplify right side
    7,477.50x = 47,035,461.55
  5. Step 5: Solve for x
    x = 47,035,461.55/7,477.50
  6. Step 6: Final answer
    x = 6,290.27

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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.