Home / 9,619.92-13,283.00-7,378.25

Finding the Fourth Proportional to 9,619.92, 13,283.00 and 7,378.25

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Solution

The fourth proportional to 9,619.92, 13,283.00 and 7,378.25 is: 10,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.92 : 13,283.00 = 7,378.25 : x
  2. Step 2: Convert to fraction form
    9,619.92/13,283.00 = 7,378.25/x
  3. Step 3: Cross multiply
    9,619.92x = 13,283.00 × 7,378.25
  4. Step 4: Simplify right side
    9,619.92x = 98,005,246.78
  5. Step 5: Solve for x
    x = 98,005,246.78/9,619.92
  6. Step 6: Final answer
    x = 10,187.74

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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.