Home / 11,474.94-15,831.63-6,997.06

Finding the Fourth Proportional to 11,474.94, 15,831.63 and 6,997.06

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Solution

The fourth proportional to 11,474.94, 15,831.63 and 6,997.06 is: 9,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.94 : 15,831.63 = 6,997.06 : x
  2. Step 2: Convert to fraction form
    11,474.94/15,831.63 = 6,997.06/x
  3. Step 3: Cross multiply
    11,474.94x = 15,831.63 × 6,997.06
  4. Step 4: Simplify right side
    11,474.94x = 110,774,865.01
  5. Step 5: Solve for x
    x = 110,774,865.01/11,474.94
  6. Step 6: Final answer
    x = 9,653.63

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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.