Home / 8,263.04-11,425.45-8,129.52

Finding the Fourth Proportional to 8,263.04, 11,425.45 and 8,129.52

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Solution

The fourth proportional to 8,263.04, 11,425.45 and 8,129.52 is: 11,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.04 : 11,425.45 = 8,129.52 : x
  2. Step 2: Convert to fraction form
    8,263.04/11,425.45 = 8,129.52/x
  3. Step 3: Cross multiply
    8,263.04x = 11,425.45 × 8,129.52
  4. Step 4: Simplify right side
    8,263.04x = 92,883,403.96
  5. Step 5: Solve for x
    x = 92,883,403.96/8,263.04
  6. Step 6: Final answer
    x = 11,240.82

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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.