Home / 9,831.44-13,567.30-5,355.19

Finding the Fourth Proportional to 9,831.44, 13,567.30 and 5,355.19

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Solution

The fourth proportional to 9,831.44, 13,567.30 and 5,355.19 is: 7,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.44 : 13,567.30 = 5,355.19 : x
  2. Step 2: Convert to fraction form
    9,831.44/13,567.30 = 5,355.19/x
  3. Step 3: Cross multiply
    9,831.44x = 13,567.30 × 5,355.19
  4. Step 4: Simplify right side
    9,831.44x = 72,655,469.29
  5. Step 5: Solve for x
    x = 72,655,469.29/9,831.44
  6. Step 6: Final answer
    x = 7,390.11

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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.