Home / 9,015.75-13,523.63-2,859.75

Finding the Fourth Proportional to 9,015.75, 13,523.63 and 2,859.75

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Solution

The fourth proportional to 9,015.75, 13,523.63 and 2,859.75 is: 4,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.75 : 13,523.63 = 2,859.75 : x
  2. Step 2: Convert to fraction form
    9,015.75/13,523.63 = 2,859.75/x
  3. Step 3: Cross multiply
    9,015.75x = 13,523.63 × 2,859.75
  4. Step 4: Simplify right side
    9,015.75x = 38,674,186.59
  5. Step 5: Solve for x
    x = 38,674,186.59/9,015.75
  6. Step 6: Final answer
    x = 4,289.63

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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.