Home / 8,522.04-11,761.70-4,986.40

Finding the Fourth Proportional to 8,522.04, 11,761.70 and 4,986.40

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Solution

The fourth proportional to 8,522.04, 11,761.70 and 4,986.40 is: 6,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.04 : 11,761.70 = 4,986.40 : x
  2. Step 2: Convert to fraction form
    8,522.04/11,761.70 = 4,986.40/x
  3. Step 3: Cross multiply
    8,522.04x = 11,761.70 × 4,986.40
  4. Step 4: Simplify right side
    8,522.04x = 58,648,540.88
  5. Step 5: Solve for x
    x = 58,648,540.88/8,522.04
  6. Step 6: Final answer
    x = 6,881.98

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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.