Home / 10,954.86-15,124.77-9,773.88

Finding the Fourth Proportional to 10,954.86, 15,124.77 and 9,773.88

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Solution

The fourth proportional to 10,954.86, 15,124.77 and 9,773.88 is: 13,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.86 : 15,124.77 = 9,773.88 : x
  2. Step 2: Convert to fraction form
    10,954.86/15,124.77 = 9,773.88/x
  3. Step 3: Cross multiply
    10,954.86x = 15,124.77 × 9,773.88
  4. Step 4: Simplify right side
    10,954.86x = 147,827,687.01
  5. Step 5: Solve for x
    x = 147,827,687.01/10,954.86
  6. Step 6: Final answer
    x = 13,494.26

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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.