Home / 11,284.08-15,571.08-6,746.64

Finding the Fourth Proportional to 11,284.08, 15,571.08 and 6,746.64

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Solution

The fourth proportional to 11,284.08, 15,571.08 and 6,746.64 is: 9,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.08 : 15,571.08 = 6,746.64 : x
  2. Step 2: Convert to fraction form
    11,284.08/15,571.08 = 6,746.64/x
  3. Step 3: Cross multiply
    11,284.08x = 15,571.08 × 6,746.64
  4. Step 4: Simplify right side
    11,284.08x = 105,052,471.17
  5. Step 5: Solve for x
    x = 105,052,471.17/11,284.08
  6. Step 6: Final answer
    x = 9,309.79

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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.