Home / 11,663.04-16,092.12-7,124.56

Finding the Fourth Proportional to 11,663.04, 16,092.12 and 7,124.56

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Solution

The fourth proportional to 11,663.04, 16,092.12 and 7,124.56 is: 9,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.04 : 16,092.12 = 7,124.56 : x
  2. Step 2: Convert to fraction form
    11,663.04/16,092.12 = 7,124.56/x
  3. Step 3: Cross multiply
    11,663.04x = 16,092.12 × 7,124.56
  4. Step 4: Simplify right side
    11,663.04x = 114,649,274.47
  5. Step 5: Solve for x
    x = 114,649,274.47/11,663.04
  6. Step 6: Final answer
    x = 9,830.14

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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.