Home / 9,555.30-13,173.84-6,903.36

Finding the Fourth Proportional to 9,555.30, 13,173.84 and 6,903.36

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Solution

The fourth proportional to 9,555.30, 13,173.84 and 6,903.36 is: 9,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.30 : 13,173.84 = 6,903.36 : x
  2. Step 2: Convert to fraction form
    9,555.30/13,173.84 = 6,903.36/x
  3. Step 3: Cross multiply
    9,555.30x = 13,173.84 × 6,903.36
  4. Step 4: Simplify right side
    9,555.30x = 90,943,760.10
  5. Step 5: Solve for x
    x = 90,943,760.10/9,555.30
  6. Step 6: Final answer
    x = 9,517.62

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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.