Home / 6,969.41-9,617.75-3,782.77

Finding the Fourth Proportional to 6,969.41, 9,617.75 and 3,782.77

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Solution

The fourth proportional to 6,969.41, 9,617.75 and 3,782.77 is: 5,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.41 : 9,617.75 = 3,782.77 : x
  2. Step 2: Convert to fraction form
    6,969.41/9,617.75 = 3,782.77/x
  3. Step 3: Cross multiply
    6,969.41x = 9,617.75 × 3,782.77
  4. Step 4: Simplify right side
    6,969.41x = 36,381,743.46
  5. Step 5: Solve for x
    x = 36,381,743.46/6,969.41
  6. Step 6: Final answer
    x = 5,220.20

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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.