Home / 10,372.16-14,313.76-5,656.48

Finding the Fourth Proportional to 10,372.16, 14,313.76 and 5,656.48

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Solution

The fourth proportional to 10,372.16, 14,313.76 and 5,656.48 is: 7,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.16 : 14,313.76 = 5,656.48 : x
  2. Step 2: Convert to fraction form
    10,372.16/14,313.76 = 5,656.48/x
  3. Step 3: Cross multiply
    10,372.16x = 14,313.76 × 5,656.48
  4. Step 4: Simplify right side
    10,372.16x = 80,965,497.16
  5. Step 5: Solve for x
    x = 80,965,497.16/10,372.16
  6. Step 6: Final answer
    x = 7,806.04

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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.