Home / 11,295.06-16,911.30-8,513.34

Finding the Fourth Proportional to 11,295.06, 16,911.30 and 8,513.34

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Solution

The fourth proportional to 11,295.06, 16,911.30 and 8,513.34 is: 12,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.06 : 16,911.30 = 8,513.34 : x
  2. Step 2: Convert to fraction form
    11,295.06/16,911.30 = 8,513.34/x
  3. Step 3: Cross multiply
    11,295.06x = 16,911.30 × 8,513.34
  4. Step 4: Simplify right side
    11,295.06x = 143,971,646.74
  5. Step 5: Solve for x
    x = 143,971,646.74/11,295.06
  6. Step 6: Final answer
    x = 12,746.43

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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.