Home / 11,948.88-16,442.20-10,831.08

Finding the Fourth Proportional to 11,948.88, 16,442.20 and 10,831.08

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Solution

The fourth proportional to 11,948.88, 16,442.20 and 10,831.08 is: 14,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.88 : 16,442.20 = 10,831.08 : x
  2. Step 2: Convert to fraction form
    11,948.88/16,442.20 = 10,831.08/x
  3. Step 3: Cross multiply
    11,948.88x = 16,442.20 × 10,831.08
  4. Step 4: Simplify right side
    11,948.88x = 178,086,783.58
  5. Step 5: Solve for x
    x = 178,086,783.58/11,948.88
  6. Step 6: Final answer
    x = 14,904.06

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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.