Home / 9,816.09-13,546.07-5,339.88

Finding the Fourth Proportional to 9,816.09, 13,546.07 and 5,339.88

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Solution

The fourth proportional to 9,816.09, 13,546.07 and 5,339.88 is: 7,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.09 : 13,546.07 = 5,339.88 : x
  2. Step 2: Convert to fraction form
    9,816.09/13,546.07 = 5,339.88/x
  3. Step 3: Cross multiply
    9,816.09x = 13,546.07 × 5,339.88
  4. Step 4: Simplify right side
    9,816.09x = 72,334,293.84
  5. Step 5: Solve for x
    x = 72,334,293.84/9,816.09
  6. Step 6: Final answer
    x = 7,368.95

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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.