Home / 11,591.08-15,998.50-7,617.58

Finding the Fourth Proportional to 11,591.08, 15,998.50 and 7,617.58

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Solution

The fourth proportional to 11,591.08, 15,998.50 and 7,617.58 is: 10,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.08 : 15,998.50 = 7,617.58 : x
  2. Step 2: Convert to fraction form
    11,591.08/15,998.50 = 7,617.58/x
  3. Step 3: Cross multiply
    11,591.08x = 15,998.50 × 7,617.58
  4. Step 4: Simplify right side
    11,591.08x = 121,869,853.63
  5. Step 5: Solve for x
    x = 121,869,853.63/11,591.08
  6. Step 6: Final answer
    x = 10,514.11

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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.