Home / 8,845.74-12,204.08-5,487.34

Finding the Fourth Proportional to 8,845.74, 12,204.08 and 5,487.34

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Solution

The fourth proportional to 8,845.74, 12,204.08 and 5,487.34 is: 7,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.74 : 12,204.08 = 5,487.34 : x
  2. Step 2: Convert to fraction form
    8,845.74/12,204.08 = 5,487.34/x
  3. Step 3: Cross multiply
    8,845.74x = 12,204.08 × 5,487.34
  4. Step 4: Simplify right side
    8,845.74x = 66,967,936.35
  5. Step 5: Solve for x
    x = 66,967,936.35/8,845.74
  6. Step 6: Final answer
    x = 7,570.64

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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.