Home / 8,021.04-11,068.64-4,663.60

Finding the Fourth Proportional to 8,021.04, 11,068.64 and 4,663.60

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Solution

The fourth proportional to 8,021.04, 11,068.64 and 4,663.60 is: 6,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.04 : 11,068.64 = 4,663.60 : x
  2. Step 2: Convert to fraction form
    8,021.04/11,068.64 = 4,663.60/x
  3. Step 3: Cross multiply
    8,021.04x = 11,068.64 × 4,663.60
  4. Step 4: Simplify right side
    8,021.04x = 51,619,709.50
  5. Step 5: Solve for x
    x = 51,619,709.50/8,021.04
  6. Step 6: Final answer
    x = 6,435.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.