Home / 8,466.40-12,698.70-2,623.06

Finding the Fourth Proportional to 8,466.40, 12,698.70 and 2,623.06

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Solution

The fourth proportional to 8,466.40, 12,698.70 and 2,623.06 is: 3,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.40 : 12,698.70 = 2,623.06 : x
  2. Step 2: Convert to fraction form
    8,466.40/12,698.70 = 2,623.06/x
  3. Step 3: Cross multiply
    8,466.40x = 12,698.70 × 2,623.06
  4. Step 4: Simplify right side
    8,466.40x = 33,309,452.02
  5. Step 5: Solve for x
    x = 33,309,452.02/8,466.40
  6. Step 6: Final answer
    x = 3,934.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.