Home / 11,635.40-17,452.88-3,315.48

Finding the Fourth Proportional to 11,635.40, 17,452.88 and 3,315.48

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Solution

The fourth proportional to 11,635.40, 17,452.88 and 3,315.48 is: 4,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.40 : 17,452.88 = 3,315.48 : x
  2. Step 2: Convert to fraction form
    11,635.40/17,452.88 = 3,315.48/x
  3. Step 3: Cross multiply
    11,635.40x = 17,452.88 × 3,315.48
  4. Step 4: Simplify right side
    11,635.40x = 57,864,674.58
  5. Step 5: Solve for x
    x = 57,864,674.58/11,635.40
  6. Step 6: Final answer
    x = 4,973.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.