Home / 10,833.12-14,949.36-6,117.28

Finding the Fourth Proportional to 10,833.12, 14,949.36 and 6,117.28

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Solution

The fourth proportional to 10,833.12, 14,949.36 and 6,117.28 is: 8,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.12 : 14,949.36 = 6,117.28 : x
  2. Step 2: Convert to fraction form
    10,833.12/14,949.36 = 6,117.28/x
  3. Step 3: Cross multiply
    10,833.12x = 14,949.36 × 6,117.28
  4. Step 4: Simplify right side
    10,833.12x = 91,449,420.94
  5. Step 5: Solve for x
    x = 91,449,420.94/10,833.12
  6. Step 6: Final answer
    x = 8,441.65

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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.