Home / 8,433.98-11,638.74-4,657.04

Finding the Fourth Proportional to 8,433.98, 11,638.74 and 4,657.04

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Solution

The fourth proportional to 8,433.98, 11,638.74 and 4,657.04 is: 6,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.98 : 11,638.74 = 4,657.04 : x
  2. Step 2: Convert to fraction form
    8,433.98/11,638.74 = 4,657.04/x
  3. Step 3: Cross multiply
    8,433.98x = 11,638.74 × 4,657.04
  4. Step 4: Simplify right side
    8,433.98x = 54,202,077.73
  5. Step 5: Solve for x
    x = 54,202,077.73/8,433.98
  6. Step 6: Final answer
    x = 6,426.63

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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.