Home / 8,322.78-11,484.02-5,338.02

Finding the Fourth Proportional to 8,322.78, 11,484.02 and 5,338.02

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Solution

The fourth proportional to 8,322.78, 11,484.02 and 5,338.02 is: 7,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.78 : 11,484.02 = 5,338.02 : x
  2. Step 2: Convert to fraction form
    8,322.78/11,484.02 = 5,338.02/x
  3. Step 3: Cross multiply
    8,322.78x = 11,484.02 × 5,338.02
  4. Step 4: Simplify right side
    8,322.78x = 61,301,928.44
  5. Step 5: Solve for x
    x = 61,301,928.44/8,322.78
  6. Step 6: Final answer
    x = 7,365.56

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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.