Home / 8,357.04-11,538.72-6,272.64

Finding the Fourth Proportional to 8,357.04, 11,538.72 and 6,272.64

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Solution

The fourth proportional to 8,357.04, 11,538.72 and 6,272.64 is: 8,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.04 : 11,538.72 = 6,272.64 : x
  2. Step 2: Convert to fraction form
    8,357.04/11,538.72 = 6,272.64/x
  3. Step 3: Cross multiply
    8,357.04x = 11,538.72 × 6,272.64
  4. Step 4: Simplify right side
    8,357.04x = 72,378,236.62
  5. Step 5: Solve for x
    x = 72,378,236.62/8,357.04
  6. Step 6: Final answer
    x = 8,660.75

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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.