Home / 9,815.62-13,544.33-6,635.84

Finding the Fourth Proportional to 9,815.62, 13,544.33 and 6,635.84

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Solution

The fourth proportional to 9,815.62, 13,544.33 and 6,635.84 is: 9,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.62 : 13,544.33 = 6,635.84 : x
  2. Step 2: Convert to fraction form
    9,815.62/13,544.33 = 6,635.84/x
  3. Step 3: Cross multiply
    9,815.62x = 13,544.33 × 6,635.84
  4. Step 4: Simplify right side
    9,815.62x = 89,877,939.07
  5. Step 5: Solve for x
    x = 89,877,939.07/9,815.62
  6. Step 6: Final answer
    x = 9,156.62

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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.