Home / 6,969.69-9,618.08-4,317.75

Finding the Fourth Proportional to 6,969.69, 9,618.08 and 4,317.75

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Solution

The fourth proportional to 6,969.69, 9,618.08 and 4,317.75 is: 5,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.69 : 9,618.08 = 4,317.75 : x
  2. Step 2: Convert to fraction form
    6,969.69/9,618.08 = 4,317.75/x
  3. Step 3: Cross multiply
    6,969.69x = 9,618.08 × 4,317.75
  4. Step 4: Simplify right side
    6,969.69x = 41,528,443.33
  5. Step 5: Solve for x
    x = 41,528,443.33/6,969.69
  6. Step 6: Final answer
    x = 5,958.43

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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.