Home / 10,372.23-14,313.65-5,656.50

Finding the Fourth Proportional to 10,372.23, 14,313.65 and 5,656.50

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Solution

The fourth proportional to 10,372.23, 14,313.65 and 5,656.50 is: 7,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.23 : 14,313.65 = 5,656.50 : x
  2. Step 2: Convert to fraction form
    10,372.23/14,313.65 = 5,656.50/x
  3. Step 3: Cross multiply
    10,372.23x = 14,313.65 × 5,656.50
  4. Step 4: Simplify right side
    10,372.23x = 80,965,132.94
  5. Step 5: Solve for x
    x = 80,965,132.94/10,372.23
  6. Step 6: Final answer
    x = 7,805.95

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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.