Home / 9,831.33-13,567.40-5,355.17

Finding the Fourth Proportional to 9,831.33, 13,567.40 and 5,355.17

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Solution

The fourth proportional to 9,831.33, 13,567.40 and 5,355.17 is: 7,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.33 : 13,567.40 = 5,355.17 : x
  2. Step 2: Convert to fraction form
    9,831.33/13,567.40 = 5,355.17/x
  3. Step 3: Cross multiply
    9,831.33x = 13,567.40 × 5,355.17
  4. Step 4: Simplify right side
    9,831.33x = 72,655,733.46
  5. Step 5: Solve for x
    x = 72,655,733.46/9,831.33
  6. Step 6: Final answer
    x = 7,390.22

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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.