Home / 11,435.02-15,792.67-7,859.43

Finding the Fourth Proportional to 11,435.02, 15,792.67 and 7,859.43

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Solution

The fourth proportional to 11,435.02, 15,792.67 and 7,859.43 is: 10,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.02 : 15,792.67 = 7,859.43 : x
  2. Step 2: Convert to fraction form
    11,435.02/15,792.67 = 7,859.43/x
  3. Step 3: Cross multiply
    11,435.02x = 15,792.67 × 7,859.43
  4. Step 4: Simplify right side
    11,435.02x = 124,121,394.20
  5. Step 5: Solve for x
    x = 124,121,394.20/11,435.02
  6. Step 6: Final answer
    x = 10,854.49

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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.