Home / 11,187.36-15,440.49-6,474.24

Finding the Fourth Proportional to 11,187.36, 15,440.49 and 6,474.24

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Solution

The fourth proportional to 11,187.36, 15,440.49 and 6,474.24 is: 8,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.36 : 15,440.49 = 6,474.24 : x
  2. Step 2: Convert to fraction form
    11,187.36/15,440.49 = 6,474.24/x
  3. Step 3: Cross multiply
    11,187.36x = 15,440.49 × 6,474.24
  4. Step 4: Simplify right side
    11,187.36x = 99,965,437.98
  5. Step 5: Solve for x
    x = 99,965,437.98/11,187.36
  6. Step 6: Final answer
    x = 8,935.57

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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.