Home / 11,148.06-15,384.26-6,112.50

Finding the Fourth Proportional to 11,148.06, 15,384.26 and 6,112.50

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Solution

The fourth proportional to 11,148.06, 15,384.26 and 6,112.50 is: 8,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.06 : 15,384.26 = 6,112.50 : x
  2. Step 2: Convert to fraction form
    11,148.06/15,384.26 = 6,112.50/x
  3. Step 3: Cross multiply
    11,148.06x = 15,384.26 × 6,112.50
  4. Step 4: Simplify right side
    11,148.06x = 94,036,258.69
  5. Step 5: Solve for x
    x = 94,036,258.69/11,148.06
  6. Step 6: Final answer
    x = 8,435.21

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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.