Home / 8,627.28-11,905.68-5,483.52

Finding the Fourth Proportional to 8,627.28, 11,905.68 and 5,483.52

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Solution

The fourth proportional to 8,627.28, 11,905.68 and 5,483.52 is: 7,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.28 : 11,905.68 = 5,483.52 : x
  2. Step 2: Convert to fraction form
    8,627.28/11,905.68 = 5,483.52/x
  3. Step 3: Cross multiply
    8,627.28x = 11,905.68 × 5,483.52
  4. Step 4: Simplify right side
    8,627.28x = 65,285,034.39
  5. Step 5: Solve for x
    x = 65,285,034.39/8,627.28
  6. Step 6: Final answer
    x = 7,567.28

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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.