Home / 8,845.65-12,203.91-5,487.24

Finding the Fourth Proportional to 8,845.65, 12,203.91 and 5,487.24

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Solution

The fourth proportional to 8,845.65, 12,203.91 and 5,487.24 is: 7,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.65 : 12,203.91 = 5,487.24 : x
  2. Step 2: Convert to fraction form
    8,845.65/12,203.91 = 5,487.24/x
  3. Step 3: Cross multiply
    8,845.65x = 12,203.91 × 5,487.24
  4. Step 4: Simplify right side
    8,845.65x = 66,965,783.11
  5. Step 5: Solve for x
    x = 66,965,783.11/8,845.65
  6. Step 6: Final answer
    x = 7,570.48

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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.