Home / 10,372.70-14,314.29-5,656.98

Finding the Fourth Proportional to 10,372.70, 14,314.29 and 5,656.98

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Solution

The fourth proportional to 10,372.70, 14,314.29 and 5,656.98 is: 7,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.70 : 14,314.29 = 5,656.98 : x
  2. Step 2: Convert to fraction form
    10,372.70/14,314.29 = 5,656.98/x
  3. Step 3: Cross multiply
    10,372.70x = 14,314.29 × 5,656.98
  4. Step 4: Simplify right side
    10,372.70x = 80,975,652.24
  5. Step 5: Solve for x
    x = 80,975,652.24/10,372.70
  6. Step 6: Final answer
    x = 7,806.61

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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.