Home / 11,182.15-15,431.38-6,146.37

Finding the Fourth Proportional to 11,182.15, 15,431.38 and 6,146.37

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Solution

The fourth proportional to 11,182.15, 15,431.38 and 6,146.37 is: 8,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.15 : 15,431.38 = 6,146.37 : x
  2. Step 2: Convert to fraction form
    11,182.15/15,431.38 = 6,146.37/x
  3. Step 3: Cross multiply
    11,182.15x = 15,431.38 × 6,146.37
  4. Step 4: Simplify right side
    11,182.15x = 94,846,971.09
  5. Step 5: Solve for x
    x = 94,846,971.09/11,182.15
  6. Step 6: Final answer
    x = 8,482.00

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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.