Home / 9,156.98-13,735.47-3,312.22

Finding the Fourth Proportional to 9,156.98, 13,735.47 and 3,312.22

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Solution

The fourth proportional to 9,156.98, 13,735.47 and 3,312.22 is: 4,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.98 : 13,735.47 = 3,312.22 : x
  2. Step 2: Convert to fraction form
    9,156.98/13,735.47 = 3,312.22/x
  3. Step 3: Cross multiply
    9,156.98x = 13,735.47 × 3,312.22
  4. Step 4: Simplify right side
    9,156.98x = 45,494,881.88
  5. Step 5: Solve for x
    x = 45,494,881.88/9,156.98
  6. Step 6: Final answer
    x = 4,968.33

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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.