Home / 9,168.50-12,660.28-5,817.26

Finding the Fourth Proportional to 9,168.50, 12,660.28 and 5,817.26

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Solution

The fourth proportional to 9,168.50, 12,660.28 and 5,817.26 is: 8,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.50 : 12,660.28 = 5,817.26 : x
  2. Step 2: Convert to fraction form
    9,168.50/12,660.28 = 5,817.26/x
  3. Step 3: Cross multiply
    9,168.50x = 12,660.28 × 5,817.26
  4. Step 4: Simplify right side
    9,168.50x = 73,648,140.43
  5. Step 5: Solve for x
    x = 73,648,140.43/9,168.50
  6. Step 6: Final answer
    x = 8,032.74

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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.