Home / 12,238.11-16,895.58-8,058.51

Finding the Fourth Proportional to 12,238.11, 16,895.58 and 8,058.51

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Solution

The fourth proportional to 12,238.11, 16,895.58 and 8,058.51 is: 11,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.11 : 16,895.58 = 8,058.51 : x
  2. Step 2: Convert to fraction form
    12,238.11/16,895.58 = 8,058.51/x
  3. Step 3: Cross multiply
    12,238.11x = 16,895.58 × 8,058.51
  4. Step 4: Simplify right side
    12,238.11x = 136,153,115.91
  5. Step 5: Solve for x
    x = 136,153,115.91/12,238.11
  6. Step 6: Final answer
    x = 11,125.34

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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.