Home / 10,580.14-15,857.47-3,911.32

Finding the Fourth Proportional to 10,580.14, 15,857.47 and 3,911.32

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Solution

The fourth proportional to 10,580.14, 15,857.47 and 3,911.32 is: 5,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.14 : 15,857.47 = 3,911.32 : x
  2. Step 2: Convert to fraction form
    10,580.14/15,857.47 = 3,911.32/x
  3. Step 3: Cross multiply
    10,580.14x = 15,857.47 × 3,911.32
  4. Step 4: Simplify right side
    10,580.14x = 62,023,639.56
  5. Step 5: Solve for x
    x = 62,023,639.56/10,580.14
  6. Step 6: Final answer
    x = 5,862.27

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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.