Home / 7,477.49-11,216.54-3,317.53

Finding the Fourth Proportional to 7,477.49, 11,216.54 and 3,317.53

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Solution

The fourth proportional to 7,477.49, 11,216.54 and 3,317.53 is: 4,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.49 : 11,216.54 = 3,317.53 : x
  2. Step 2: Convert to fraction form
    7,477.49/11,216.54 = 3,317.53/x
  3. Step 3: Cross multiply
    7,477.49x = 11,216.54 × 3,317.53
  4. Step 4: Simplify right side
    7,477.49x = 37,211,207.95
  5. Step 5: Solve for x
    x = 37,211,207.95/7,477.49
  6. Step 6: Final answer
    x = 4,976.43

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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.