Home / 11,812.12-16,300.10-7,335.77

Finding the Fourth Proportional to 11,812.12, 16,300.10 and 7,335.77

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Solution

The fourth proportional to 11,812.12, 16,300.10 and 7,335.77 is: 10,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.12 : 16,300.10 = 7,335.77 : x
  2. Step 2: Convert to fraction form
    11,812.12/16,300.10 = 7,335.77/x
  3. Step 3: Cross multiply
    11,812.12x = 16,300.10 × 7,335.77
  4. Step 4: Simplify right side
    11,812.12x = 119,573,721.42
  5. Step 5: Solve for x
    x = 119,573,721.42/11,812.12
  6. Step 6: Final answer
    x = 10,122.97

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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.