Home / 10,525.02-15,784.38-8,671.54

Finding the Fourth Proportional to 10,525.02, 15,784.38 and 8,671.54

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Solution

The fourth proportional to 10,525.02, 15,784.38 and 8,671.54 is: 13,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.02 : 15,784.38 = 8,671.54 : x
  2. Step 2: Convert to fraction form
    10,525.02/15,784.38 = 8,671.54/x
  3. Step 3: Cross multiply
    10,525.02x = 15,784.38 × 8,671.54
  4. Step 4: Simplify right side
    10,525.02x = 136,874,882.55
  5. Step 5: Solve for x
    x = 136,874,882.55/10,525.02
  6. Step 6: Final answer
    x = 13,004.71

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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.