Home / 10,845.16-16,256.56-5,291.66

Finding the Fourth Proportional to 10,845.16, 16,256.56 and 5,291.66

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Solution

The fourth proportional to 10,845.16, 16,256.56 and 5,291.66 is: 7,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.16 : 16,256.56 = 5,291.66 : x
  2. Step 2: Convert to fraction form
    10,845.16/16,256.56 = 5,291.66/x
  3. Step 3: Cross multiply
    10,845.16x = 16,256.56 × 5,291.66
  4. Step 4: Simplify right side
    10,845.16x = 86,024,188.29
  5. Step 5: Solve for x
    x = 86,024,188.29/10,845.16
  6. Step 6: Final answer
    x = 7,932.03

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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.