Home / 11,015.04-16,521.60-3,619.32

Finding the Fourth Proportional to 11,015.04, 16,521.60 and 3,619.32

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Solution

The fourth proportional to 11,015.04, 16,521.60 and 3,619.32 is: 5,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.04 : 16,521.60 = 3,619.32 : x
  2. Step 2: Convert to fraction form
    11,015.04/16,521.60 = 3,619.32/x
  3. Step 3: Cross multiply
    11,015.04x = 16,521.60 × 3,619.32
  4. Step 4: Simplify right side
    11,015.04x = 59,796,957.31
  5. Step 5: Solve for x
    x = 59,796,957.31/11,015.04
  6. Step 6: Final answer
    x = 5,428.66

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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.