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Finding the Fourth Proportional to 8,313.51, 12,453.86 and 6,235.86

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Solution

The fourth proportional to 8,313.51, 12,453.86 and 6,235.86 is: 9,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.51 : 12,453.86 = 6,235.86 : x
  2. Step 2: Convert to fraction form
    8,313.51/12,453.86 = 6,235.86/x
  3. Step 3: Cross multiply
    8,313.51x = 12,453.86 × 6,235.86
  4. Step 4: Simplify right side
    8,313.51x = 77,660,527.42
  5. Step 5: Solve for x
    x = 77,660,527.42/8,313.51
  6. Step 6: Final answer
    x = 9,341.48

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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.