Home / 10,747.84-16,126.40-5,821

Finding the Fourth Proportional to 10,747.84, 16,126.40 and 5,821

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Solution

The fourth proportional to 10,747.84, 16,126.40 and 5,821 is: 8,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.84 : 16,126.40 = 5,821 : x
  2. Step 2: Convert to fraction form
    10,747.84/16,126.40 = 5,821/x
  3. Step 3: Cross multiply
    10,747.84x = 16,126.40 × 5,821
  4. Step 4: Simplify right side
    10,747.84x = 93,871,774.40
  5. Step 5: Solve for x
    x = 93,871,774.40/10,747.84
  6. Step 6: Final answer
    x = 8,734.01

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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.