Home / 8,043.81-11,105.63-6,555.28

Finding the Fourth Proportional to 8,043.81, 11,105.63 and 6,555.28

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Solution

The fourth proportional to 8,043.81, 11,105.63 and 6,555.28 is: 9,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.81 : 11,105.63 = 6,555.28 : x
  2. Step 2: Convert to fraction form
    8,043.81/11,105.63 = 6,555.28/x
  3. Step 3: Cross multiply
    8,043.81x = 11,105.63 × 6,555.28
  4. Step 4: Simplify right side
    8,043.81x = 72,800,514.23
  5. Step 5: Solve for x
    x = 72,800,514.23/8,043.81
  6. Step 6: Final answer
    x = 9,050.50

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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.