Home / 8,898.29-13,352.19-5,777.56

Finding the Fourth Proportional to 8,898.29, 13,352.19 and 5,777.56

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Solution

The fourth proportional to 8,898.29, 13,352.19 and 5,777.56 is: 8,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.29 : 13,352.19 = 5,777.56 : x
  2. Step 2: Convert to fraction form
    8,898.29/13,352.19 = 5,777.56/x
  3. Step 3: Cross multiply
    8,898.29x = 13,352.19 × 5,777.56
  4. Step 4: Simplify right side
    8,898.29x = 77,142,983.21
  5. Step 5: Solve for x
    x = 77,142,983.21/8,898.29
  6. Step 6: Final answer
    x = 8,669.42

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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.