Home / 8,176.12-11,283.09-4,638.64

Finding the Fourth Proportional to 8,176.12, 11,283.09 and 4,638.64

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Solution

The fourth proportional to 8,176.12, 11,283.09 and 4,638.64 is: 6,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.12 : 11,283.09 = 4,638.64 : x
  2. Step 2: Convert to fraction form
    8,176.12/11,283.09 = 4,638.64/x
  3. Step 3: Cross multiply
    8,176.12x = 11,283.09 × 4,638.64
  4. Step 4: Simplify right side
    8,176.12x = 52,338,192.60
  5. Step 5: Solve for x
    x = 52,338,192.60/8,176.12
  6. Step 6: Final answer
    x = 6,401.35

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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.