Home / 13,036.49-17,983.74-8,248.37

Finding the Fourth Proportional to 13,036.49, 17,983.74 and 8,248.37

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Solution

The fourth proportional to 13,036.49, 17,983.74 and 8,248.37 is: 11,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.49 : 17,983.74 = 8,248.37 : x
  2. Step 2: Convert to fraction form
    13,036.49/17,983.74 = 8,248.37/x
  3. Step 3: Cross multiply
    13,036.49x = 17,983.74 × 8,248.37
  4. Step 4: Simplify right side
    13,036.49x = 148,336,436.12
  5. Step 5: Solve for x
    x = 148,336,436.12/13,036.49
  6. Step 6: Final answer
    x = 11,378.55

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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.