Home / 9,813.44-13,538.56-6,275.84

Finding the Fourth Proportional to 9,813.44, 13,538.56 and 6,275.84

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Solution

The fourth proportional to 9,813.44, 13,538.56 and 6,275.84 is: 8,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.44 : 13,538.56 = 6,275.84 : x
  2. Step 2: Convert to fraction form
    9,813.44/13,538.56 = 6,275.84/x
  3. Step 3: Cross multiply
    9,813.44x = 13,538.56 × 6,275.84
  4. Step 4: Simplify right side
    9,813.44x = 84,965,836.39
  5. Step 5: Solve for x
    x = 84,965,836.39/9,813.44
  6. Step 6: Final answer
    x = 8,658.11

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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.