Home / 11,592.72-16,006.28-7,122.47

Finding the Fourth Proportional to 11,592.72, 16,006.28 and 7,122.47

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Solution

The fourth proportional to 11,592.72, 16,006.28 and 7,122.47 is: 9,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.72 : 16,006.28 = 7,122.47 : x
  2. Step 2: Convert to fraction form
    11,592.72/16,006.28 = 7,122.47/x
  3. Step 3: Cross multiply
    11,592.72x = 16,006.28 × 7,122.47
  4. Step 4: Simplify right side
    11,592.72x = 114,004,133.47
  5. Step 5: Solve for x
    x = 114,004,133.47/11,592.72
  6. Step 6: Final answer
    x = 9,834.11

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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.