Home / 9,831.37-13,567.23-5,355.11

Finding the Fourth Proportional to 9,831.37, 13,567.23 and 5,355.11

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Solution

The fourth proportional to 9,831.37, 13,567.23 and 5,355.11 is: 7,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.37 : 13,567.23 = 5,355.11 : x
  2. Step 2: Convert to fraction form
    9,831.37/13,567.23 = 5,355.11/x
  3. Step 3: Cross multiply
    9,831.37x = 13,567.23 × 5,355.11
  4. Step 4: Simplify right side
    9,831.37x = 72,654,009.05
  5. Step 5: Solve for x
    x = 72,654,009.05/9,831.37
  6. Step 6: Final answer
    x = 7,390.02

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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.