Home / 11,312.15-16,968.24-3,416.92

Finding the Fourth Proportional to 11,312.15, 16,968.24 and 3,416.92

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Solution

The fourth proportional to 11,312.15, 16,968.24 and 3,416.92 is: 5,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.15 : 16,968.24 = 3,416.92 : x
  2. Step 2: Convert to fraction form
    11,312.15/16,968.24 = 3,416.92/x
  3. Step 3: Cross multiply
    11,312.15x = 16,968.24 × 3,416.92
  4. Step 4: Simplify right side
    11,312.15x = 57,979,139.83
  5. Step 5: Solve for x
    x = 57,979,139.83/11,312.15
  6. Step 6: Final answer
    x = 5,125.39

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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.