Home / 8,362.69-11,548.32-5,383.70

Finding the Fourth Proportional to 8,362.69, 11,548.32 and 5,383.70

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Solution

The fourth proportional to 8,362.69, 11,548.32 and 5,383.70 is: 7,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.69 : 11,548.32 = 5,383.70 : x
  2. Step 2: Convert to fraction form
    8,362.69/11,548.32 = 5,383.70/x
  3. Step 3: Cross multiply
    8,362.69x = 11,548.32 × 5,383.70
  4. Step 4: Simplify right side
    8,362.69x = 62,172,690.38
  5. Step 5: Solve for x
    x = 62,172,690.38/8,362.69
  6. Step 6: Final answer
    x = 7,434.53

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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.