Home / 11,021.12-16,533.28-4,001.60

Finding the Fourth Proportional to 11,021.12, 16,533.28 and 4,001.60

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Solution

The fourth proportional to 11,021.12, 16,533.28 and 4,001.60 is: 6,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.12 : 16,533.28 = 4,001.60 : x
  2. Step 2: Convert to fraction form
    11,021.12/16,533.28 = 4,001.60/x
  3. Step 3: Cross multiply
    11,021.12x = 16,533.28 × 4,001.60
  4. Step 4: Simplify right side
    11,021.12x = 66,159,573.25
  5. Step 5: Solve for x
    x = 66,159,573.25/11,021.12
  6. Step 6: Final answer
    x = 6,002.98

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1.5x scale

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.