Home / 8,173.98-11,295.40-6,681.34

Finding the Fourth Proportional to 8,173.98, 11,295.40 and 6,681.34

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Solution

The fourth proportional to 8,173.98, 11,295.40 and 6,681.34 is: 9,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.98 : 11,295.40 = 6,681.34 : x
  2. Step 2: Convert to fraction form
    8,173.98/11,295.40 = 6,681.34/x
  3. Step 3: Cross multiply
    8,173.98x = 11,295.40 × 6,681.34
  4. Step 4: Simplify right side
    8,173.98x = 75,468,407.84
  5. Step 5: Solve for x
    x = 75,468,407.84/8,173.98
  6. Step 6: Final answer
    x = 9,232.76

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Half scale
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Double scale
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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.