Home / 8,165.28-11,267.84-4,807.32

Finding the Fourth Proportional to 8,165.28, 11,267.84 and 4,807.32

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Solution

The fourth proportional to 8,165.28, 11,267.84 and 4,807.32 is: 6,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.28 : 11,267.84 = 4,807.32 : x
  2. Step 2: Convert to fraction form
    8,165.28/11,267.84 = 4,807.32/x
  3. Step 3: Cross multiply
    8,165.28x = 11,267.84 × 4,807.32
  4. Step 4: Simplify right side
    8,165.28x = 54,168,112.59
  5. Step 5: Solve for x
    x = 54,168,112.59/8,165.28
  6. Step 6: Final answer
    x = 6,633.96

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Half scale
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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.