Home / 12,529.08-17,282.31-8,058.66

Finding the Fourth Proportional to 12,529.08, 17,282.31 and 8,058.66

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Solution

The fourth proportional to 12,529.08, 17,282.31 and 8,058.66 is: 11,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.08 : 17,282.31 = 8,058.66 : x
  2. Step 2: Convert to fraction form
    12,529.08/17,282.31 = 8,058.66/x
  3. Step 3: Cross multiply
    12,529.08x = 17,282.31 × 8,058.66
  4. Step 4: Simplify right side
    12,529.08x = 139,272,260.30
  5. Step 5: Solve for x
    x = 139,272,260.30/12,529.08
  6. Step 6: Final answer
    x = 11,115.92

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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.