Home / 10,179.76-14,052.60-7,662.64

Finding the Fourth Proportional to 10,179.76, 14,052.60 and 7,662.64

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Solution

The fourth proportional to 10,179.76, 14,052.60 and 7,662.64 is: 10,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.76 : 14,052.60 = 7,662.64 : x
  2. Step 2: Convert to fraction form
    10,179.76/14,052.60 = 7,662.64/x
  3. Step 3: Cross multiply
    10,179.76x = 14,052.60 × 7,662.64
  4. Step 4: Simplify right side
    10,179.76x = 107,680,014.86
  5. Step 5: Solve for x
    x = 107,680,014.86/10,179.76
  6. Step 6: Final answer
    x = 10,577.85

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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.