Home / 9,831.39-13,567.20-5,355.13

Finding the Fourth Proportional to 9,831.39, 13,567.20 and 5,355.13

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Solution

The fourth proportional to 9,831.39, 13,567.20 and 5,355.13 is: 7,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.39 : 13,567.20 = 5,355.13 : x
  2. Step 2: Convert to fraction form
    9,831.39/13,567.20 = 5,355.13/x
  3. Step 3: Cross multiply
    9,831.39x = 13,567.20 × 5,355.13
  4. Step 4: Simplify right side
    9,831.39x = 72,654,051.90
  5. Step 5: Solve for x
    x = 72,654,051.90/9,831.39
  6. Step 6: Final answer
    x = 7,390.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.