Home / 10,513.88-15,749.70-5,232.96

Finding the Fourth Proportional to 10,513.88, 15,749.70 and 5,232.96

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Solution

The fourth proportional to 10,513.88, 15,749.70 and 5,232.96 is: 7,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.88 : 15,749.70 = 5,232.96 : x
  2. Step 2: Convert to fraction form
    10,513.88/15,749.70 = 5,232.96/x
  3. Step 3: Cross multiply
    10,513.88x = 15,749.70 × 5,232.96
  4. Step 4: Simplify right side
    10,513.88x = 82,417,550.11
  5. Step 5: Solve for x
    x = 82,417,550.11/10,513.88
  6. Step 6: Final answer
    x = 7,838.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.