Home / 12,567.57-17,345.37-7,265.61

Finding the Fourth Proportional to 12,567.57, 17,345.37 and 7,265.61

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Solution

The fourth proportional to 12,567.57, 17,345.37 and 7,265.61 is: 10,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.57 : 17,345.37 = 7,265.61 : x
  2. Step 2: Convert to fraction form
    12,567.57/17,345.37 = 7,265.61/x
  3. Step 3: Cross multiply
    12,567.57x = 17,345.37 × 7,265.61
  4. Step 4: Simplify right side
    12,567.57x = 126,024,720.97
  5. Step 5: Solve for x
    x = 126,024,720.97/12,567.57
  6. Step 6: Final answer
    x = 10,027.77

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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.