Home / 11,283.72-16,925.36-3,888.02

Finding the Fourth Proportional to 11,283.72, 16,925.36 and 3,888.02

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Solution

The fourth proportional to 11,283.72, 16,925.36 and 3,888.02 is: 5,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.72 : 16,925.36 = 3,888.02 : x
  2. Step 2: Convert to fraction form
    11,283.72/16,925.36 = 3,888.02/x
  3. Step 3: Cross multiply
    11,283.72x = 16,925.36 × 3,888.02
  4. Step 4: Simplify right side
    11,283.72x = 65,806,063.28
  5. Step 5: Solve for x
    x = 65,806,063.28/11,283.72
  6. Step 6: Final answer
    x = 5,831.95

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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.