Home / 9,126.99-13,688.83-2,551.54

Finding the Fourth Proportional to 9,126.99, 13,688.83 and 2,551.54

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Solution

The fourth proportional to 9,126.99, 13,688.83 and 2,551.54 is: 3,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.99 : 13,688.83 = 2,551.54 : x
  2. Step 2: Convert to fraction form
    9,126.99/13,688.83 = 2,551.54/x
  3. Step 3: Cross multiply
    9,126.99x = 13,688.83 × 2,551.54
  4. Step 4: Simplify right side
    9,126.99x = 34,927,597.30
  5. Step 5: Solve for x
    x = 34,927,597.30/9,126.99
  6. Step 6: Final answer
    x = 3,826.85

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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.