Home / 9,168.90-13,753.23-2,928.83

Finding the Fourth Proportional to 9,168.90, 13,753.23 and 2,928.83

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Solution

The fourth proportional to 9,168.90, 13,753.23 and 2,928.83 is: 4,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.90 : 13,753.23 = 2,928.83 : x
  2. Step 2: Convert to fraction form
    9,168.90/13,753.23 = 2,928.83/x
  3. Step 3: Cross multiply
    9,168.90x = 13,753.23 × 2,928.83
  4. Step 4: Simplify right side
    9,168.90x = 40,280,803.85
  5. Step 5: Solve for x
    x = 40,280,803.85/9,168.90
  6. Step 6: Final answer
    x = 4,393.20

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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.