Home / 9,280.08-13,922.52-3,438.36

Finding the Fourth Proportional to 9,280.08, 13,922.52 and 3,438.36

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Solution

The fourth proportional to 9,280.08, 13,922.52 and 3,438.36 is: 5,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.08 : 13,922.52 = 3,438.36 : x
  2. Step 2: Convert to fraction form
    9,280.08/13,922.52 = 3,438.36/x
  3. Step 3: Cross multiply
    9,280.08x = 13,922.52 × 3,438.36
  4. Step 4: Simplify right side
    9,280.08x = 47,870,635.87
  5. Step 5: Solve for x
    x = 47,870,635.87/9,280.08
  6. Step 6: Final answer
    x = 5,158.43

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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.