Home / 10,907.40-16,328.70-6,522.60

Finding the Fourth Proportional to 10,907.40, 16,328.70 and 6,522.60

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Solution

The fourth proportional to 10,907.40, 16,328.70 and 6,522.60 is: 9,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.40 : 16,328.70 = 6,522.60 : x
  2. Step 2: Convert to fraction form
    10,907.40/16,328.70 = 6,522.60/x
  3. Step 3: Cross multiply
    10,907.40x = 16,328.70 × 6,522.60
  4. Step 4: Simplify right side
    10,907.40x = 106,505,578.62
  5. Step 5: Solve for x
    x = 106,505,578.62/10,907.40
  6. Step 6: Final answer
    x = 9,764.52

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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.