Home / 8,451.87-11,663.30-4,674.98

Finding the Fourth Proportional to 8,451.87, 11,663.30 and 4,674.98

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Solution

The fourth proportional to 8,451.87, 11,663.30 and 4,674.98 is: 6,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.87 : 11,663.30 = 4,674.98 : x
  2. Step 2: Convert to fraction form
    8,451.87/11,663.30 = 4,674.98/x
  3. Step 3: Cross multiply
    8,451.87x = 11,663.30 × 4,674.98
  4. Step 4: Simplify right side
    8,451.87x = 54,525,647.60
  5. Step 5: Solve for x
    x = 54,525,647.60/8,451.87
  6. Step 6: Final answer
    x = 6,451.31

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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.