Home / 10,985.63-16,480.58-3,588.11

Finding the Fourth Proportional to 10,985.63, 16,480.58 and 3,588.11

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Solution

The fourth proportional to 10,985.63, 16,480.58 and 3,588.11 is: 5,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.63 : 16,480.58 = 3,588.11 : x
  2. Step 2: Convert to fraction form
    10,985.63/16,480.58 = 3,588.11/x
  3. Step 3: Cross multiply
    10,985.63x = 16,480.58 × 3,588.11
  4. Step 4: Simplify right side
    10,985.63x = 59,134,033.56
  5. Step 5: Solve for x
    x = 59,134,033.56/10,985.63
  6. Step 6: Final answer
    x = 5,382.85

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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.