Home / 12,058.56-16,640.40-6,753.60

Finding the Fourth Proportional to 12,058.56, 16,640.40 and 6,753.60

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Solution

The fourth proportional to 12,058.56, 16,640.40 and 6,753.60 is: 9,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.56 : 16,640.40 = 6,753.60 : x
  2. Step 2: Convert to fraction form
    12,058.56/16,640.40 = 6,753.60/x
  3. Step 3: Cross multiply
    12,058.56x = 16,640.40 × 6,753.60
  4. Step 4: Simplify right side
    12,058.56x = 112,382,605.44
  5. Step 5: Solve for x
    x = 112,382,605.44/12,058.56
  6. Step 6: Final answer
    x = 9,319.74

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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.