Home / 12,058.54-16,638.85-6,753.58

Finding the Fourth Proportional to 12,058.54, 16,638.85 and 6,753.58

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Solution

The fourth proportional to 12,058.54, 16,638.85 and 6,753.58 is: 9,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.54 : 16,638.85 = 6,753.58 : x
  2. Step 2: Convert to fraction form
    12,058.54/16,638.85 = 6,753.58/x
  3. Step 3: Cross multiply
    12,058.54x = 16,638.85 × 6,753.58
  4. Step 4: Simplify right side
    12,058.54x = 112,371,804.58
  5. Step 5: Solve for x
    x = 112,371,804.58/12,058.54
  6. Step 6: Final answer
    x = 9,318.86

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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.