Home / 9,236.40-13,851.90-3,312.60

Finding the Fourth Proportional to 9,236.40, 13,851.90 and 3,312.60

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Solution

The fourth proportional to 9,236.40, 13,851.90 and 3,312.60 is: 4,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.40 : 13,851.90 = 3,312.60 : x
  2. Step 2: Convert to fraction form
    9,236.40/13,851.90 = 3,312.60/x
  3. Step 3: Cross multiply
    9,236.40x = 13,851.90 × 3,312.60
  4. Step 4: Simplify right side
    9,236.40x = 45,885,803.94
  5. Step 5: Solve for x
    x = 45,885,803.94/9,236.40
  6. Step 6: Final answer
    x = 4,967.93

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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.