Home / 12,525.88-17,285.91-6,860.52

Finding the Fourth Proportional to 12,525.88, 17,285.91 and 6,860.52

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Solution

The fourth proportional to 12,525.88, 17,285.91 and 6,860.52 is: 9,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.88 : 17,285.91 = 6,860.52 : x
  2. Step 2: Convert to fraction form
    12,525.88/17,285.91 = 6,860.52/x
  3. Step 3: Cross multiply
    12,525.88x = 17,285.91 × 6,860.52
  4. Step 4: Simplify right side
    12,525.88x = 118,590,331.27
  5. Step 5: Solve for x
    x = 118,590,331.27/12,525.88
  6. Step 6: Final answer
    x = 9,467.62

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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.