Home / 12,663.17-17,473.67-6,997.60

Finding the Fourth Proportional to 12,663.17, 17,473.67 and 6,997.60

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Solution

The fourth proportional to 12,663.17, 17,473.67 and 6,997.60 is: 9,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.17 : 17,473.67 = 6,997.60 : x
  2. Step 2: Convert to fraction form
    12,663.17/17,473.67 = 6,997.60/x
  3. Step 3: Cross multiply
    12,663.17x = 17,473.67 × 6,997.60
  4. Step 4: Simplify right side
    12,663.17x = 122,273,674.52
  5. Step 5: Solve for x
    x = 122,273,674.52/12,663.17
  6. Step 6: Final answer
    x = 9,655.85

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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.