Home / 8,322.12-11,484.54-4,785.12

Finding the Fourth Proportional to 8,322.12, 11,484.54 and 4,785.12

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Solution

The fourth proportional to 8,322.12, 11,484.54 and 4,785.12 is: 6,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.12 : 11,484.54 = 4,785.12 : x
  2. Step 2: Convert to fraction form
    8,322.12/11,484.54 = 4,785.12/x
  3. Step 3: Cross multiply
    8,322.12x = 11,484.54 × 4,785.12
  4. Step 4: Simplify right side
    8,322.12x = 54,954,902.04
  5. Step 5: Solve for x
    x = 54,954,902.04/8,322.12
  6. Step 6: Final answer
    x = 6,603.47

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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.