Home / 9,156.88-13,735.33-3,312.13

Finding the Fourth Proportional to 9,156.88, 13,735.33 and 3,312.13

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Solution

The fourth proportional to 9,156.88, 13,735.33 and 3,312.13 is: 4,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.88 : 13,735.33 = 3,312.13 : x
  2. Step 2: Convert to fraction form
    9,156.88/13,735.33 = 3,312.13/x
  3. Step 3: Cross multiply
    9,156.88x = 13,735.33 × 3,312.13
  4. Step 4: Simplify right side
    9,156.88x = 45,493,198.55
  5. Step 5: Solve for x
    x = 45,493,198.55/9,156.88
  6. Step 6: Final answer
    x = 4,968.20

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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.