Home / 10,831.95-16,237.23-5,208.05

Finding the Fourth Proportional to 10,831.95, 16,237.23 and 5,208.05

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Solution

The fourth proportional to 10,831.95, 16,237.23 and 5,208.05 is: 7,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.95 : 16,237.23 = 5,208.05 : x
  2. Step 2: Convert to fraction form
    10,831.95/16,237.23 = 5,208.05/x
  3. Step 3: Cross multiply
    10,831.95x = 16,237.23 × 5,208.05
  4. Step 4: Simplify right side
    10,831.95x = 84,564,224.52
  5. Step 5: Solve for x
    x = 84,564,224.52/10,831.95
  6. Step 6: Final answer
    x = 7,806.93

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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.