Home / 7,477.16-11,218.23-3,316.59

Finding the Fourth Proportional to 7,477.16, 11,218.23 and 3,316.59

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Solution

The fourth proportional to 7,477.16, 11,218.23 and 3,316.59 is: 4,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.16 : 11,218.23 = 3,316.59 : x
  2. Step 2: Convert to fraction form
    7,477.16/11,218.23 = 3,316.59/x
  3. Step 3: Cross multiply
    7,477.16x = 11,218.23 × 3,316.59
  4. Step 4: Simplify right side
    7,477.16x = 37,206,269.44
  5. Step 5: Solve for x
    x = 37,206,269.44/7,477.16
  6. Step 6: Final answer
    x = 4,975.99

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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.