Home / 9,173.16-13,764.32-3,911.60

Finding the Fourth Proportional to 9,173.16, 13,764.32 and 3,911.60

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Solution

The fourth proportional to 9,173.16, 13,764.32 and 3,911.60 is: 5,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.16 : 13,764.32 = 3,911.60 : x
  2. Step 2: Convert to fraction form
    9,173.16/13,764.32 = 3,911.60/x
  3. Step 3: Cross multiply
    9,173.16x = 13,764.32 × 3,911.60
  4. Step 4: Simplify right side
    9,173.16x = 53,840,514.11
  5. Step 5: Solve for x
    x = 53,840,514.11/9,173.16
  6. Step 6: Final answer
    x = 5,869.35

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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.