Home / 7,477.74-11,218.37-4,193.10

Finding the Fourth Proportional to 7,477.74, 11,218.37 and 4,193.10

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Solution

The fourth proportional to 7,477.74, 11,218.37 and 4,193.10 is: 6,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.74 : 11,218.37 = 4,193.10 : x
  2. Step 2: Convert to fraction form
    7,477.74/11,218.37 = 4,193.10/x
  3. Step 3: Cross multiply
    7,477.74x = 11,218.37 × 4,193.10
  4. Step 4: Simplify right side
    7,477.74x = 47,039,747.25
  5. Step 5: Solve for x
    x = 47,039,747.25/7,477.74
  6. Step 6: Final answer
    x = 6,290.64

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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.