Home / 8,531.09-12,798.47-4,151.01

Finding the Fourth Proportional to 8,531.09, 12,798.47 and 4,151.01

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Solution

The fourth proportional to 8,531.09, 12,798.47 and 4,151.01 is: 6,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.09 : 12,798.47 = 4,151.01 : x
  2. Step 2: Convert to fraction form
    8,531.09/12,798.47 = 4,151.01/x
  3. Step 3: Cross multiply
    8,531.09x = 12,798.47 × 4,151.01
  4. Step 4: Simplify right side
    8,531.09x = 53,126,576.95
  5. Step 5: Solve for x
    x = 53,126,576.95/8,531.09
  6. Step 6: Final answer
    x = 6,227.41

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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.