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Finding the Fourth Proportional to 7,316.94, 10,094.90 and 4,129.86

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Solution

The fourth proportional to 7,316.94, 10,094.90 and 4,129.86 is: 5,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.94 : 10,094.90 = 4,129.86 : x
  2. Step 2: Convert to fraction form
    7,316.94/10,094.90 = 4,129.86/x
  3. Step 3: Cross multiply
    7,316.94x = 10,094.90 × 4,129.86
  4. Step 4: Simplify right side
    7,316.94x = 41,690,540.92
  5. Step 5: Solve for x
    x = 41,690,540.92/7,316.94
  6. Step 6: Final answer
    x = 5,697.81

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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.