Home / 12,071.19-16,658.22-7,355.49

Finding the Fourth Proportional to 12,071.19, 16,658.22 and 7,355.49

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Solution

The fourth proportional to 12,071.19, 16,658.22 and 7,355.49 is: 10,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.19 : 16,658.22 = 7,355.49 : x
  2. Step 2: Convert to fraction form
    12,071.19/16,658.22 = 7,355.49/x
  3. Step 3: Cross multiply
    12,071.19x = 16,658.22 × 7,355.49
  4. Step 4: Simplify right side
    12,071.19x = 122,529,370.63
  5. Step 5: Solve for x
    x = 122,529,370.63/12,071.19
  6. Step 6: Final answer
    x = 10,150.56

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Half scale
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Double scale
Find fourth proportional to 12,072.19, 16,659.60 and 7,356.49
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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.