Home / 11,470.51-15,831.15-6,754.79

Finding the Fourth Proportional to 11,470.51, 15,831.15 and 6,754.79

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Solution

The fourth proportional to 11,470.51, 15,831.15 and 6,754.79 is: 9,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.51 : 15,831.15 = 6,754.79 : x
  2. Step 2: Convert to fraction form
    11,470.51/15,831.15 = 6,754.79/x
  3. Step 3: Cross multiply
    11,470.51x = 15,831.15 × 6,754.79
  4. Step 4: Simplify right side
    11,470.51x = 106,936,107.96
  5. Step 5: Solve for x
    x = 106,936,107.96/11,470.51
  6. Step 6: Final answer
    x = 9,322.70

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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.