Home / 11,991.76-16,521.56-9,473.04

Finding the Fourth Proportional to 11,991.76, 16,521.56 and 9,473.04

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Solution

The fourth proportional to 11,991.76, 16,521.56 and 9,473.04 is: 13,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.76 : 16,521.56 = 9,473.04 : x
  2. Step 2: Convert to fraction form
    11,991.76/16,521.56 = 9,473.04/x
  3. Step 3: Cross multiply
    11,991.76x = 16,521.56 × 9,473.04
  4. Step 4: Simplify right side
    11,991.76x = 156,509,398.74
  5. Step 5: Solve for x
    x = 156,509,398.74/11,991.76
  6. Step 6: Final answer
    x = 13,051.41

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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.