Home / 11,587.82-15,982.70-7,607.48

Finding the Fourth Proportional to 11,587.82, 15,982.70 and 7,607.48

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Solution

The fourth proportional to 11,587.82, 15,982.70 and 7,607.48 is: 10,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.82 : 15,982.70 = 7,607.48 : x
  2. Step 2: Convert to fraction form
    11,587.82/15,982.70 = 7,607.48/x
  3. Step 3: Cross multiply
    11,587.82x = 15,982.70 × 7,607.48
  4. Step 4: Simplify right side
    11,587.82x = 121,588,032.56
  5. Step 5: Solve for x
    x = 121,588,032.56/11,587.82
  6. Step 6: Final answer
    x = 10,492.74

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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.