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Finding the Fourth Proportional to 10,463.99, 15,697.36 and 3,889.32

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Solution

The fourth proportional to 10,463.99, 15,697.36 and 3,889.32 is: 5,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.99 : 15,697.36 = 3,889.32 : x
  2. Step 2: Convert to fraction form
    10,463.99/15,697.36 = 3,889.32/x
  3. Step 3: Cross multiply
    10,463.99x = 15,697.36 × 3,889.32
  4. Step 4: Simplify right side
    10,463.99x = 61,052,002.19
  5. Step 5: Solve for x
    x = 61,052,002.19/10,463.99
  6. Step 6: Final answer
    x = 5,834.49

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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.