Home / 10,540.48-15,805.86-6,159.28

Finding the Fourth Proportional to 10,540.48, 15,805.86 and 6,159.28

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Solution

The fourth proportional to 10,540.48, 15,805.86 and 6,159.28 is: 9,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.48 : 15,805.86 = 6,159.28 : x
  2. Step 2: Convert to fraction form
    10,540.48/15,805.86 = 6,159.28/x
  3. Step 3: Cross multiply
    10,540.48x = 15,805.86 × 6,159.28
  4. Step 4: Simplify right side
    10,540.48x = 97,352,717.38
  5. Step 5: Solve for x
    x = 97,352,717.38/10,540.48
  6. Step 6: Final answer
    x = 9,236.08

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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.