Home / 10,147.22-14,003.11-5,670.97

Finding the Fourth Proportional to 10,147.22, 14,003.11 and 5,670.97

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Solution

The fourth proportional to 10,147.22, 14,003.11 and 5,670.97 is: 7,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.22 : 14,003.11 = 5,670.97 : x
  2. Step 2: Convert to fraction form
    10,147.22/14,003.11 = 5,670.97/x
  3. Step 3: Cross multiply
    10,147.22x = 14,003.11 × 5,670.97
  4. Step 4: Simplify right side
    10,147.22x = 79,411,146.70
  5. Step 5: Solve for x
    x = 79,411,146.70/10,147.22
  6. Step 6: Final answer
    x = 7,825.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.