Home / 11,006.70-16,510.81-4,432.90

Finding the Fourth Proportional to 11,006.70, 16,510.81 and 4,432.90

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Solution

The fourth proportional to 11,006.70, 16,510.81 and 4,432.90 is: 6,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.70 : 16,510.81 = 4,432.90 : x
  2. Step 2: Convert to fraction form
    11,006.70/16,510.81 = 4,432.90/x
  3. Step 3: Cross multiply
    11,006.70x = 16,510.81 × 4,432.90
  4. Step 4: Simplify right side
    11,006.70x = 73,190,769.65
  5. Step 5: Solve for x
    x = 73,190,769.65/11,006.70
  6. Step 6: Final answer
    x = 6,649.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.