Home / 10,990.16-16,470.66-9,522.44

Finding the Fourth Proportional to 10,990.16, 16,470.66 and 9,522.44

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Solution

The fourth proportional to 10,990.16, 16,470.66 and 9,522.44 is: 14,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.16 : 16,470.66 = 9,522.44 : x
  2. Step 2: Convert to fraction form
    10,990.16/16,470.66 = 9,522.44/x
  3. Step 3: Cross multiply
    10,990.16x = 16,470.66 × 9,522.44
  4. Step 4: Simplify right side
    10,990.16x = 156,840,871.61
  5. Step 5: Solve for x
    x = 156,840,871.61/10,990.16
  6. Step 6: Final answer
    x = 14,271.03

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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.