Home / 11,013.24-16,509.18-3,612.60

Finding the Fourth Proportional to 11,013.24, 16,509.18 and 3,612.60

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Solution

The fourth proportional to 11,013.24, 16,509.18 and 3,612.60 is: 5,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.24 : 16,509.18 = 3,612.60 : x
  2. Step 2: Convert to fraction form
    11,013.24/16,509.18 = 3,612.60/x
  3. Step 3: Cross multiply
    11,013.24x = 16,509.18 × 3,612.60
  4. Step 4: Simplify right side
    11,013.24x = 59,641,063.67
  5. Step 5: Solve for x
    x = 59,641,063.67/11,013.24
  6. Step 6: Final answer
    x = 5,415.40

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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.