Home / 8,323.08-11,485.38-4,969.68

Finding the Fourth Proportional to 8,323.08, 11,485.38 and 4,969.68

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Solution

The fourth proportional to 8,323.08, 11,485.38 and 4,969.68 is: 6,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.08 : 11,485.38 = 4,969.68 : x
  2. Step 2: Convert to fraction form
    8,323.08/11,485.38 = 4,969.68/x
  3. Step 3: Cross multiply
    8,323.08x = 11,485.38 × 4,969.68
  4. Step 4: Simplify right side
    8,323.08x = 57,078,663.28
  5. Step 5: Solve for x
    x = 57,078,663.28/8,323.08
  6. Step 6: Final answer
    x = 6,857.88

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Half scale
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Double scale
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Similar ratio
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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.