Home / 9,747.35-13,435.54-7,619.12

Finding the Fourth Proportional to 9,747.35, 13,435.54 and 7,619.12

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Solution

The fourth proportional to 9,747.35, 13,435.54 and 7,619.12 is: 10,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.35 : 13,435.54 = 7,619.12 : x
  2. Step 2: Convert to fraction form
    9,747.35/13,435.54 = 7,619.12/x
  3. Step 3: Cross multiply
    9,747.35x = 13,435.54 × 7,619.12
  4. Step 4: Simplify right side
    9,747.35x = 102,366,905.30
  5. Step 5: Solve for x
    x = 102,366,905.30/9,747.35
  6. Step 6: Final answer
    x = 10,502.03

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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.