Home / 10,693.20-16,036.08-4,121.64

Finding the Fourth Proportional to 10,693.20, 16,036.08 and 4,121.64

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Solution

The fourth proportional to 10,693.20, 16,036.08 and 4,121.64 is: 6,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.20 : 16,036.08 = 4,121.64 : x
  2. Step 2: Convert to fraction form
    10,693.20/16,036.08 = 4,121.64/x
  3. Step 3: Cross multiply
    10,693.20x = 16,036.08 × 4,121.64
  4. Step 4: Simplify right side
    10,693.20x = 66,094,948.77
  5. Step 5: Solve for x
    x = 66,094,948.77/10,693.20
  6. Step 6: Final answer
    x = 6,181.03

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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.