Home / 11,368.86-17,113.70-8,104.56

Finding the Fourth Proportional to 11,368.86, 17,113.70 and 8,104.56

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Solution

The fourth proportional to 11,368.86, 17,113.70 and 8,104.56 is: 12,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.86 : 17,113.70 = 8,104.56 : x
  2. Step 2: Convert to fraction form
    11,368.86/17,113.70 = 8,104.56/x
  3. Step 3: Cross multiply
    11,368.86x = 17,113.70 × 8,104.56
  4. Step 4: Simplify right side
    11,368.86x = 138,698,967.95
  5. Step 5: Solve for x
    x = 138,698,967.95/11,368.86
  6. Step 6: Final answer
    x = 12,199.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.