Home / 11,039.69-16,529.74-8,807.94

Finding the Fourth Proportional to 11,039.69, 16,529.74 and 8,807.94

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Solution

The fourth proportional to 11,039.69, 16,529.74 and 8,807.94 is: 13,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.69 : 16,529.74 = 8,807.94 : x
  2. Step 2: Convert to fraction form
    11,039.69/16,529.74 = 8,807.94/x
  3. Step 3: Cross multiply
    11,039.69x = 16,529.74 × 8,807.94
  4. Step 4: Simplify right side
    11,039.69x = 145,592,936.12
  5. Step 5: Solve for x
    x = 145,592,936.12/11,039.69
  6. Step 6: Final answer
    x = 13,188.13

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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.