Home / 11,580.80-15,983.16-6,546.56

Finding the Fourth Proportional to 11,580.80, 15,983.16 and 6,546.56

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Solution

The fourth proportional to 11,580.80, 15,983.16 and 6,546.56 is: 9,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.80 : 15,983.16 = 6,546.56 : x
  2. Step 2: Convert to fraction form
    11,580.80/15,983.16 = 6,546.56/x
  3. Step 3: Cross multiply
    11,580.80x = 15,983.16 × 6,546.56
  4. Step 4: Simplify right side
    11,580.80x = 104,634,715.93
  5. Step 5: Solve for x
    x = 104,634,715.93/11,580.80
  6. Step 6: Final answer
    x = 9,035.19

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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.