Home / 10,133.53-15,196.64-3,890.32

Finding the Fourth Proportional to 10,133.53, 15,196.64 and 3,890.32

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Solution

The fourth proportional to 10,133.53, 15,196.64 and 3,890.32 is: 5,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.53 : 15,196.64 = 3,890.32 : x
  2. Step 2: Convert to fraction form
    10,133.53/15,196.64 = 3,890.32/x
  3. Step 3: Cross multiply
    10,133.53x = 15,196.64 × 3,890.32
  4. Step 4: Simplify right side
    10,133.53x = 59,119,735.08
  5. Step 5: Solve for x
    x = 59,119,735.08/10,133.53
  6. Step 6: Final answer
    x = 5,834.07

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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.