Home / 8,263.48-11,400.76-7,634.76

Finding the Fourth Proportional to 8,263.48, 11,400.76 and 7,634.76

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Solution

The fourth proportional to 8,263.48, 11,400.76 and 7,634.76 is: 10,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.48 : 11,400.76 = 7,634.76 : x
  2. Step 2: Convert to fraction form
    8,263.48/11,400.76 = 7,634.76/x
  3. Step 3: Cross multiply
    8,263.48x = 11,400.76 × 7,634.76
  4. Step 4: Simplify right side
    8,263.48x = 87,042,066.42
  5. Step 5: Solve for x
    x = 87,042,066.42/8,263.48
  6. Step 6: Final answer
    x = 10,533.34

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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.