Home / 11,181.90-16,772.47-4,603.12

Finding the Fourth Proportional to 11,181.90, 16,772.47 and 4,603.12

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Solution

The fourth proportional to 11,181.90, 16,772.47 and 4,603.12 is: 6,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.90 : 16,772.47 = 4,603.12 : x
  2. Step 2: Convert to fraction form
    11,181.90/16,772.47 = 4,603.12/x
  3. Step 3: Cross multiply
    11,181.90x = 16,772.47 × 4,603.12
  4. Step 4: Simplify right side
    11,181.90x = 77,205,692.11
  5. Step 5: Solve for x
    x = 77,205,692.11/11,181.90
  6. Step 6: Final answer
    x = 6,904.52

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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.