Home / 8,606.28-11,880.84-5,772.64

Finding the Fourth Proportional to 8,606.28, 11,880.84 and 5,772.64

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Solution

The fourth proportional to 8,606.28, 11,880.84 and 5,772.64 is: 7,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.28 : 11,880.84 = 5,772.64 : x
  2. Step 2: Convert to fraction form
    8,606.28/11,880.84 = 5,772.64/x
  3. Step 3: Cross multiply
    8,606.28x = 11,880.84 × 5,772.64
  4. Step 4: Simplify right side
    8,606.28x = 68,583,812.22
  5. Step 5: Solve for x
    x = 68,583,812.22/8,606.28
  6. Step 6: Final answer
    x = 7,969.04

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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.