Home / 7,166.12-10,744.80-3,216.64

Finding the Fourth Proportional to 7,166.12, 10,744.80 and 3,216.64

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Solution

The fourth proportional to 7,166.12, 10,744.80 and 3,216.64 is: 4,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.12 : 10,744.80 = 3,216.64 : x
  2. Step 2: Convert to fraction form
    7,166.12/10,744.80 = 3,216.64/x
  3. Step 3: Cross multiply
    7,166.12x = 10,744.80 × 3,216.64
  4. Step 4: Simplify right side
    7,166.12x = 34,562,153.47
  5. Step 5: Solve for x
    x = 34,562,153.47/7,166.12
  6. Step 6: Final answer
    x = 4,822.99

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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.