Home / 11,646.99-16,071.21-6,609.60

Finding the Fourth Proportional to 11,646.99, 16,071.21 and 6,609.60

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Solution

The fourth proportional to 11,646.99, 16,071.21 and 6,609.60 is: 9,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.99 : 16,071.21 = 6,609.60 : x
  2. Step 2: Convert to fraction form
    11,646.99/16,071.21 = 6,609.60/x
  3. Step 3: Cross multiply
    11,646.99x = 16,071.21 × 6,609.60
  4. Step 4: Simplify right side
    11,646.99x = 106,224,269.62
  5. Step 5: Solve for x
    x = 106,224,269.62/11,646.99
  6. Step 6: Final answer
    x = 9,120.32

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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.