Home / 8,219.07-11,342.13-4,816.92

Finding the Fourth Proportional to 8,219.07, 11,342.13 and 4,816.92

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Solution

The fourth proportional to 8,219.07, 11,342.13 and 4,816.92 is: 6,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.07 : 11,342.13 = 4,816.92 : x
  2. Step 2: Convert to fraction form
    8,219.07/11,342.13 = 4,816.92/x
  3. Step 3: Cross multiply
    8,219.07x = 11,342.13 × 4,816.92
  4. Step 4: Simplify right side
    8,219.07x = 54,634,132.84
  5. Step 5: Solve for x
    x = 54,634,132.84/8,219.07
  6. Step 6: Final answer
    x = 6,647.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.