Home / 9,881.40-14,822.51-3,312.30

Finding the Fourth Proportional to 9,881.40, 14,822.51 and 3,312.30

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Solution

The fourth proportional to 9,881.40, 14,822.51 and 3,312.30 is: 4,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.40 : 14,822.51 = 3,312.30 : x
  2. Step 2: Convert to fraction form
    9,881.40/14,822.51 = 3,312.30/x
  3. Step 3: Cross multiply
    9,881.40x = 14,822.51 × 3,312.30
  4. Step 4: Simplify right side
    9,881.40x = 49,096,583.31
  5. Step 5: Solve for x
    x = 49,096,583.31/9,881.40
  6. Step 6: Final answer
    x = 4,968.59

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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.