Home / 11,071.10-16,603.81-3,278.09

Finding the Fourth Proportional to 11,071.10, 16,603.81 and 3,278.09

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Solution

The fourth proportional to 11,071.10, 16,603.81 and 3,278.09 is: 4,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.10 : 16,603.81 = 3,278.09 : x
  2. Step 2: Convert to fraction form
    11,071.10/16,603.81 = 3,278.09/x
  3. Step 3: Cross multiply
    11,071.10x = 16,603.81 × 3,278.09
  4. Step 4: Simplify right side
    11,071.10x = 54,428,816.84
  5. Step 5: Solve for x
    x = 54,428,816.84/11,071.10
  6. Step 6: Final answer
    x = 4,916.30

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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.