Home / 8,326.08-12,538.38-7,243.52

Finding the Fourth Proportional to 8,326.08, 12,538.38 and 7,243.52

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Solution

The fourth proportional to 8,326.08, 12,538.38 and 7,243.52 is: 10,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.08 : 12,538.38 = 7,243.52 : x
  2. Step 2: Convert to fraction form
    8,326.08/12,538.38 = 7,243.52/x
  3. Step 3: Cross multiply
    8,326.08x = 12,538.38 × 7,243.52
  4. Step 4: Simplify right side
    8,326.08x = 90,822,006.30
  5. Step 5: Solve for x
    x = 90,822,006.30/8,326.08
  6. Step 6: Final answer
    x = 10,908.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.