Home / 11,009.08-16,513.41-2,688.86

Finding the Fourth Proportional to 11,009.08, 16,513.41 and 2,688.86

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Solution

The fourth proportional to 11,009.08, 16,513.41 and 2,688.86 is: 4,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.08 : 16,513.41 = 2,688.86 : x
  2. Step 2: Convert to fraction form
    11,009.08/16,513.41 = 2,688.86/x
  3. Step 3: Cross multiply
    11,009.08x = 16,513.41 × 2,688.86
  4. Step 4: Simplify right side
    11,009.08x = 44,402,247.61
  5. Step 5: Solve for x
    x = 44,402,247.61/11,009.08
  6. Step 6: Final answer
    x = 4,033.24

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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.