Home / 9,816.62-13,545.71-6,636.84

Finding the Fourth Proportional to 9,816.62, 13,545.71 and 6,636.84

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Solution

The fourth proportional to 9,816.62, 13,545.71 and 6,636.84 is: 9,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.62 : 13,545.71 = 6,636.84 : x
  2. Step 2: Convert to fraction form
    9,816.62/13,545.71 = 6,636.84/x
  3. Step 3: Cross multiply
    9,816.62x = 13,545.71 × 6,636.84
  4. Step 4: Simplify right side
    9,816.62x = 89,900,709.96
  5. Step 5: Solve for x
    x = 89,900,709.96/9,816.62
  6. Step 6: Final answer
    x = 9,158.01

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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.