Home / 8,777.91-13,166.85-3,580.14

Finding the Fourth Proportional to 8,777.91, 13,166.85 and 3,580.14

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Solution

The fourth proportional to 8,777.91, 13,166.85 and 3,580.14 is: 5,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.91 : 13,166.85 = 3,580.14 : x
  2. Step 2: Convert to fraction form
    8,777.91/13,166.85 = 3,580.14/x
  3. Step 3: Cross multiply
    8,777.91x = 13,166.85 × 3,580.14
  4. Step 4: Simplify right side
    8,777.91x = 47,139,166.36
  5. Step 5: Solve for x
    x = 47,139,166.36/8,777.91
  6. Step 6: Final answer
    x = 5,370.20

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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.