Home / 11,335.57-15,648.66-8,694.77

Finding the Fourth Proportional to 11,335.57, 15,648.66 and 8,694.77

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Solution

The fourth proportional to 11,335.57, 15,648.66 and 8,694.77 is: 12,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.57 : 15,648.66 = 8,694.77 : x
  2. Step 2: Convert to fraction form
    11,335.57/15,648.66 = 8,694.77/x
  3. Step 3: Cross multiply
    11,335.57x = 15,648.66 × 8,694.77
  4. Step 4: Simplify right side
    11,335.57x = 136,061,421.26
  5. Step 5: Solve for x
    x = 136,061,421.26/11,335.57
  6. Step 6: Final answer
    x = 12,003.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.