Home / 7,831.67-11,747.75-2,284.92

Finding the Fourth Proportional to 7,831.67, 11,747.75 and 2,284.92

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Solution

The fourth proportional to 7,831.67, 11,747.75 and 2,284.92 is: 3,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.67 : 11,747.75 = 2,284.92 : x
  2. Step 2: Convert to fraction form
    7,831.67/11,747.75 = 2,284.92/x
  3. Step 3: Cross multiply
    7,831.67x = 11,747.75 × 2,284.92
  4. Step 4: Simplify right side
    7,831.67x = 26,842,657.51
  5. Step 5: Solve for x
    x = 26,842,657.51/7,831.67
  6. Step 6: Final answer
    x = 3,427.45

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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.