Home / 12,009.69-16,572.42-6,704.19

Finding the Fourth Proportional to 12,009.69, 16,572.42 and 6,704.19

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Solution

The fourth proportional to 12,009.69, 16,572.42 and 6,704.19 is: 9,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.69 : 16,572.42 = 6,704.19 : x
  2. Step 2: Convert to fraction form
    12,009.69/16,572.42 = 6,704.19/x
  3. Step 3: Cross multiply
    12,009.69x = 16,572.42 × 6,704.19
  4. Step 4: Simplify right side
    12,009.69x = 111,104,652.44
  5. Step 5: Solve for x
    x = 111,104,652.44/12,009.69
  6. Step 6: Final answer
    x = 9,251.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,010.69, 16,573.80 and 6,705.19
Similar ratio
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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.