Home / 10,646.02-15,971.87-4,072.74

Finding the Fourth Proportional to 10,646.02, 15,971.87 and 4,072.74

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Solution

The fourth proportional to 10,646.02, 15,971.87 and 4,072.74 is: 6,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.02 : 15,971.87 = 4,072.74 : x
  2. Step 2: Convert to fraction form
    10,646.02/15,971.87 = 4,072.74/x
  3. Step 3: Cross multiply
    10,646.02x = 15,971.87 × 4,072.74
  4. Step 4: Simplify right side
    10,646.02x = 65,049,273.82
  5. Step 5: Solve for x
    x = 65,049,273.82/10,646.02
  6. Step 6: Final answer
    x = 6,110.20

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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.