Home / 9,163.24-12,645.36-4,971.52

Finding the Fourth Proportional to 9,163.24, 12,645.36 and 4,971.52

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Solution

The fourth proportional to 9,163.24, 12,645.36 and 4,971.52 is: 6,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.24 : 12,645.36 = 4,971.52 : x
  2. Step 2: Convert to fraction form
    9,163.24/12,645.36 = 4,971.52/x
  3. Step 3: Cross multiply
    9,163.24x = 12,645.36 × 4,971.52
  4. Step 4: Simplify right side
    9,163.24x = 62,866,660.15
  5. Step 5: Solve for x
    x = 62,866,660.15/9,163.24
  6. Step 6: Final answer
    x = 6,860.75

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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.