Home / 8,771.48-13,166.58-3,776.32

Finding the Fourth Proportional to 8,771.48, 13,166.58 and 3,776.32

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Solution

The fourth proportional to 8,771.48, 13,166.58 and 3,776.32 is: 5,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.48 : 13,166.58 = 3,776.32 : x
  2. Step 2: Convert to fraction form
    8,771.48/13,166.58 = 3,776.32/x
  3. Step 3: Cross multiply
    8,771.48x = 13,166.58 × 3,776.32
  4. Step 4: Simplify right side
    8,771.48x = 49,721,219.39
  5. Step 5: Solve for x
    x = 49,721,219.39/8,771.48
  6. Step 6: Final answer
    x = 5,668.51

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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.