Home / 8,451.48-11,662.81-4,674.54

Finding the Fourth Proportional to 8,451.48, 11,662.81 and 4,674.54

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Solution

The fourth proportional to 8,451.48, 11,662.81 and 4,674.54 is: 6,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.48 : 11,662.81 = 4,674.54 : x
  2. Step 2: Convert to fraction form
    8,451.48/11,662.81 = 4,674.54/x
  3. Step 3: Cross multiply
    8,451.48x = 11,662.81 × 4,674.54
  4. Step 4: Simplify right side
    8,451.48x = 54,518,271.86
  5. Step 5: Solve for x
    x = 54,518,271.86/8,451.48
  6. Step 6: Final answer
    x = 6,450.74

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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.