Home / 11,990.10-16,545.56-6,953.92

Finding the Fourth Proportional to 11,990.10, 16,545.56 and 6,953.92

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Solution

The fourth proportional to 11,990.10, 16,545.56 and 6,953.92 is: 9,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.10 : 16,545.56 = 6,953.92 : x
  2. Step 2: Convert to fraction form
    11,990.10/16,545.56 = 6,953.92/x
  3. Step 3: Cross multiply
    11,990.10x = 16,545.56 × 6,953.92
  4. Step 4: Simplify right side
    11,990.10x = 115,056,500.60
  5. Step 5: Solve for x
    x = 115,056,500.60/11,990.10
  6. Step 6: Final answer
    x = 9,595.96

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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.