Home / 12,002.79-16,563.84-6,969.96

Finding the Fourth Proportional to 12,002.79, 16,563.84 and 6,969.96

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Solution

The fourth proportional to 12,002.79, 16,563.84 and 6,969.96 is: 9,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.79 : 16,563.84 = 6,969.96 : x
  2. Step 2: Convert to fraction form
    12,002.79/16,563.84 = 6,969.96/x
  3. Step 3: Cross multiply
    12,002.79x = 16,563.84 × 6,969.96
  4. Step 4: Simplify right side
    12,002.79x = 115,449,302.25
  5. Step 5: Solve for x
    x = 115,449,302.25/12,002.79
  6. Step 6: Final answer
    x = 9,618.54

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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.