Home / 11,145.99-16,721.88-3,248.32

Finding the Fourth Proportional to 11,145.99, 16,721.88 and 3,248.32

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Solution

The fourth proportional to 11,145.99, 16,721.88 and 3,248.32 is: 4,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.99 : 16,721.88 = 3,248.32 : x
  2. Step 2: Convert to fraction form
    11,145.99/16,721.88 = 3,248.32/x
  3. Step 3: Cross multiply
    11,145.99x = 16,721.88 × 3,248.32
  4. Step 4: Simplify right side
    11,145.99x = 54,318,017.24
  5. Step 5: Solve for x
    x = 54,318,017.24/11,145.99
  6. Step 6: Final answer
    x = 4,873.32

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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.