Home / 11,307.64-16,961.44-4,382.12

Finding the Fourth Proportional to 11,307.64, 16,961.44 and 4,382.12

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Solution

The fourth proportional to 11,307.64, 16,961.44 and 4,382.12 is: 6,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.64 : 16,961.44 = 4,382.12 : x
  2. Step 2: Convert to fraction form
    11,307.64/16,961.44 = 4,382.12/x
  3. Step 3: Cross multiply
    11,307.64x = 16,961.44 × 4,382.12
  4. Step 4: Simplify right side
    11,307.64x = 74,327,065.45
  5. Step 5: Solve for x
    x = 74,327,065.45/11,307.64
  6. Step 6: Final answer
    x = 6,573.17

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1.5x scale

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.