Home / 11,148.36-15,384.34-6,112.48

Finding the Fourth Proportional to 11,148.36, 15,384.34 and 6,112.48

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Solution

The fourth proportional to 11,148.36, 15,384.34 and 6,112.48 is: 8,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.36 : 15,384.34 = 6,112.48 : x
  2. Step 2: Convert to fraction form
    11,148.36/15,384.34 = 6,112.48/x
  3. Step 3: Cross multiply
    11,148.36x = 15,384.34 × 6,112.48
  4. Step 4: Simplify right side
    11,148.36x = 94,036,470.56
  5. Step 5: Solve for x
    x = 94,036,470.56/11,148.36
  6. Step 6: Final answer
    x = 8,435.00

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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.