Home / 11,390.63-17,088.98-3,599.44

Finding the Fourth Proportional to 11,390.63, 17,088.98 and 3,599.44

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Solution

The fourth proportional to 11,390.63, 17,088.98 and 3,599.44 is: 5,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.63 : 17,088.98 = 3,599.44 : x
  2. Step 2: Convert to fraction form
    11,390.63/17,088.98 = 3,599.44/x
  3. Step 3: Cross multiply
    11,390.63x = 17,088.98 × 3,599.44
  4. Step 4: Simplify right side
    11,390.63x = 61,510,697.45
  5. Step 5: Solve for x
    x = 61,510,697.45/11,390.63
  6. Step 6: Final answer
    x = 5,400.12

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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.