Home / 10,583.31-15,874.13-5,312.94

Finding the Fourth Proportional to 10,583.31, 15,874.13 and 5,312.94

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Solution

The fourth proportional to 10,583.31, 15,874.13 and 5,312.94 is: 7,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.31 : 15,874.13 = 5,312.94 : x
  2. Step 2: Convert to fraction form
    10,583.31/15,874.13 = 5,312.94/x
  3. Step 3: Cross multiply
    10,583.31x = 15,874.13 × 5,312.94
  4. Step 4: Simplify right side
    10,583.31x = 84,338,313.40
  5. Step 5: Solve for x
    x = 84,338,313.40/10,583.31
  6. Step 6: Final answer
    x = 7,968.99

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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.