Home / 12,427.76-18,641.84-6,572.27

Finding the Fourth Proportional to 12,427.76, 18,641.84 and 6,572.27

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Solution

The fourth proportional to 12,427.76, 18,641.84 and 6,572.27 is: 9,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.76 : 18,641.84 = 6,572.27 : x
  2. Step 2: Convert to fraction form
    12,427.76/18,641.84 = 6,572.27/x
  3. Step 3: Cross multiply
    12,427.76x = 18,641.84 × 6,572.27
  4. Step 4: Simplify right side
    12,427.76x = 122,519,079.71
  5. Step 5: Solve for x
    x = 122,519,079.71/12,427.76
  6. Step 6: Final answer
    x = 9,858.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.