Home / 11,783.58-16,260.54-6,477.24

Finding the Fourth Proportional to 11,783.58, 16,260.54 and 6,477.24

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Solution

The fourth proportional to 11,783.58, 16,260.54 and 6,477.24 is: 8,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.58 : 16,260.54 = 6,477.24 : x
  2. Step 2: Convert to fraction form
    11,783.58/16,260.54 = 6,477.24/x
  3. Step 3: Cross multiply
    11,783.58x = 16,260.54 × 6,477.24
  4. Step 4: Simplify right side
    11,783.58x = 105,323,420.11
  5. Step 5: Solve for x
    x = 105,323,420.11/11,783.58
  6. Step 6: Final answer
    x = 8,938.15

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.