Home / 8,213.09-12,330.26-7,050.63

Finding the Fourth Proportional to 8,213.09, 12,330.26 and 7,050.63

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Solution

The fourth proportional to 8,213.09, 12,330.26 and 7,050.63 is: 10,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.09 : 12,330.26 = 7,050.63 : x
  2. Step 2: Convert to fraction form
    8,213.09/12,330.26 = 7,050.63/x
  3. Step 3: Cross multiply
    8,213.09x = 12,330.26 × 7,050.63
  4. Step 4: Simplify right side
    8,213.09x = 86,936,065.81
  5. Step 5: Solve for x
    x = 86,936,065.81/8,213.09
  6. Step 6: Final answer
    x = 10,585.07

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.