Home / 10,748.20-16,112.58-3,821.08

Finding the Fourth Proportional to 10,748.20, 16,112.58 and 3,821.08

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Solution

The fourth proportional to 10,748.20, 16,112.58 and 3,821.08 is: 5,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.20 : 16,112.58 = 3,821.08 : x
  2. Step 2: Convert to fraction form
    10,748.20/16,112.58 = 3,821.08/x
  3. Step 3: Cross multiply
    10,748.20x = 16,112.58 × 3,821.08
  4. Step 4: Simplify right side
    10,748.20x = 61,567,457.19
  5. Step 5: Solve for x
    x = 61,567,457.19/10,748.20
  6. Step 6: Final answer
    x = 5,728.16

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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.