Home / 11,831.39-16,277.01-11,503.34

Finding the Fourth Proportional to 11,831.39, 16,277.01 and 11,503.34

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Solution

The fourth proportional to 11,831.39, 16,277.01 and 11,503.34 is: 15,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.39 : 16,277.01 = 11,503.34 : x
  2. Step 2: Convert to fraction form
    11,831.39/16,277.01 = 11,503.34/x
  3. Step 3: Cross multiply
    11,831.39x = 16,277.01 × 11,503.34
  4. Step 4: Simplify right side
    11,831.39x = 187,239,980.21
  5. Step 5: Solve for x
    x = 187,239,980.21/11,831.39
  6. Step 6: Final answer
    x = 15,825.70

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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.