Home / 10,849.20-14,970.12-6,372

Finding the Fourth Proportional to 10,849.20, 14,970.12 and 6,372

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Solution

The fourth proportional to 10,849.20, 14,970.12 and 6,372 is: 8,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.20 : 14,970.12 = 6,372 : x
  2. Step 2: Convert to fraction form
    10,849.20/14,970.12 = 6,372/x
  3. Step 3: Cross multiply
    10,849.20x = 14,970.12 × 6,372
  4. Step 4: Simplify right side
    10,849.20x = 95,389,604.64
  5. Step 5: Solve for x
    x = 95,389,604.64/10,849.20
  6. Step 6: Final answer
    x = 8,792.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.