Home / 10,962.60-16,448.70-5,116.20

Finding the Fourth Proportional to 10,962.60, 16,448.70 and 5,116.20

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Solution

The fourth proportional to 10,962.60, 16,448.70 and 5,116.20 is: 7,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.60 : 16,448.70 = 5,116.20 : x
  2. Step 2: Convert to fraction form
    10,962.60/16,448.70 = 5,116.20/x
  3. Step 3: Cross multiply
    10,962.60x = 16,448.70 × 5,116.20
  4. Step 4: Simplify right side
    10,962.60x = 84,154,838.94
  5. Step 5: Solve for x
    x = 84,154,838.94/10,962.60
  6. Step 6: Final answer
    x = 7,676.54

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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.