Home / 9,431.76-13,015.08-5,452.32

Finding the Fourth Proportional to 9,431.76, 13,015.08 and 5,452.32

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Solution

The fourth proportional to 9,431.76, 13,015.08 and 5,452.32 is: 7,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.76 : 13,015.08 = 5,452.32 : x
  2. Step 2: Convert to fraction form
    9,431.76/13,015.08 = 5,452.32/x
  3. Step 3: Cross multiply
    9,431.76x = 13,015.08 × 5,452.32
  4. Step 4: Simplify right side
    9,431.76x = 70,962,380.99
  5. Step 5: Solve for x
    x = 70,962,380.99/9,431.76
  6. Step 6: Final answer
    x = 7,523.77

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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.