Home / 12,058.31-16,640.39-6,753.11

Finding the Fourth Proportional to 12,058.31, 16,640.39 and 6,753.11

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Solution

The fourth proportional to 12,058.31, 16,640.39 and 6,753.11 is: 9,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.31 : 16,640.39 = 6,753.11 : x
  2. Step 2: Convert to fraction form
    12,058.31/16,640.39 = 6,753.11/x
  3. Step 3: Cross multiply
    12,058.31x = 16,640.39 × 6,753.11
  4. Step 4: Simplify right side
    12,058.31x = 112,374,442.60
  5. Step 5: Solve for x
    x = 112,374,442.60/12,058.31
  6. Step 6: Final answer
    x = 9,319.25

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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.