Home / 11,021.08-16,532.12-3,124.16

Finding the Fourth Proportional to 11,021.08, 16,532.12 and 3,124.16

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Solution

The fourth proportional to 11,021.08, 16,532.12 and 3,124.16 is: 4,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.08 : 16,532.12 = 3,124.16 : x
  2. Step 2: Convert to fraction form
    11,021.08/16,532.12 = 3,124.16/x
  3. Step 3: Cross multiply
    11,021.08x = 16,532.12 × 3,124.16
  4. Step 4: Simplify right side
    11,021.08x = 51,648,988.02
  5. Step 5: Solve for x
    x = 51,648,988.02/11,021.08
  6. Step 6: Final answer
    x = 4,686.38

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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.