Home / 11,831.16-17,766.72-11,360.28

Finding the Fourth Proportional to 11,831.16, 17,766.72 and 11,360.28

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Solution

The fourth proportional to 11,831.16, 17,766.72 and 11,360.28 is: 17,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.16 : 17,766.72 = 11,360.28 : x
  2. Step 2: Convert to fraction form
    11,831.16/17,766.72 = 11,360.28/x
  3. Step 3: Cross multiply
    11,831.16x = 17,766.72 × 11,360.28
  4. Step 4: Simplify right side
    11,831.16x = 201,834,913.88
  5. Step 5: Solve for x
    x = 201,834,913.88/11,831.16
  6. Step 6: Final answer
    x = 17,059.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.