Home / 10,392.21-14,341.32-5,676.57

Finding the Fourth Proportional to 10,392.21, 14,341.32 and 5,676.57

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Solution

The fourth proportional to 10,392.21, 14,341.32 and 5,676.57 is: 7,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.21 : 14,341.32 = 5,676.57 : x
  2. Step 2: Convert to fraction form
    10,392.21/14,341.32 = 5,676.57/x
  3. Step 3: Cross multiply
    10,392.21x = 14,341.32 × 5,676.57
  4. Step 4: Simplify right side
    10,392.21x = 81,409,506.87
  5. Step 5: Solve for x
    x = 81,409,506.87/10,392.21
  6. Step 6: Final answer
    x = 7,833.70

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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.