Home / 9,831.63-13,567.73-5,355.44

Finding the Fourth Proportional to 9,831.63, 13,567.73 and 5,355.44

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Solution

The fourth proportional to 9,831.63, 13,567.73 and 5,355.44 is: 7,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.63 : 13,567.73 = 5,355.44 : x
  2. Step 2: Convert to fraction form
    9,831.63/13,567.73 = 5,355.44/x
  3. Step 3: Cross multiply
    9,831.63x = 13,567.73 × 5,355.44
  4. Step 4: Simplify right side
    9,831.63x = 72,661,163.95
  5. Step 5: Solve for x
    x = 72,661,163.95/9,831.63
  6. Step 6: Final answer
    x = 7,390.55

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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.