Home / 9,267.54-12,790.12-5,289.25

Finding the Fourth Proportional to 9,267.54, 12,790.12 and 5,289.25

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Solution

The fourth proportional to 9,267.54, 12,790.12 and 5,289.25 is: 7,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.54 : 12,790.12 = 5,289.25 : x
  2. Step 2: Convert to fraction form
    9,267.54/12,790.12 = 5,289.25/x
  3. Step 3: Cross multiply
    9,267.54x = 12,790.12 × 5,289.25
  4. Step 4: Simplify right side
    9,267.54x = 67,650,083.79
  5. Step 5: Solve for x
    x = 67,650,083.79/9,267.54
  6. Step 6: Final answer
    x = 7,299.68

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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.