Home / 11,783.41-16,260.48-6,477.21

Finding the Fourth Proportional to 11,783.41, 16,260.48 and 6,477.21

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Solution

The fourth proportional to 11,783.41, 16,260.48 and 6,477.21 is: 8,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.41 : 16,260.48 = 6,477.21 : x
  2. Step 2: Convert to fraction form
    11,783.41/16,260.48 = 6,477.21/x
  3. Step 3: Cross multiply
    11,783.41x = 16,260.48 × 6,477.21
  4. Step 4: Simplify right side
    11,783.41x = 105,322,543.66
  5. Step 5: Solve for x
    x = 105,322,543.66/11,783.41
  6. Step 6: Final answer
    x = 8,938.21

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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.