Home / 9,268.14-12,790.08-5,289.33

Finding the Fourth Proportional to 9,268.14, 12,790.08 and 5,289.33

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Solution

The fourth proportional to 9,268.14, 12,790.08 and 5,289.33 is: 7,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.14 : 12,790.08 = 5,289.33 : x
  2. Step 2: Convert to fraction form
    9,268.14/12,790.08 = 5,289.33/x
  3. Step 3: Cross multiply
    9,268.14x = 12,790.08 × 5,289.33
  4. Step 4: Simplify right side
    9,268.14x = 67,650,953.85
  5. Step 5: Solve for x
    x = 67,650,953.85/9,268.14
  6. Step 6: Final answer
    x = 7,299.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.