Home / 11,780.73-16,256.26-7,065.01

Finding the Fourth Proportional to 11,780.73, 16,256.26 and 7,065.01

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Solution

The fourth proportional to 11,780.73, 16,256.26 and 7,065.01 is: 9,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.73 : 16,256.26 = 7,065.01 : x
  2. Step 2: Convert to fraction form
    11,780.73/16,256.26 = 7,065.01/x
  3. Step 3: Cross multiply
    11,780.73x = 16,256.26 × 7,065.01
  4. Step 4: Simplify right side
    11,780.73x = 114,850,639.46
  5. Step 5: Solve for x
    x = 114,850,639.46/11,780.73
  6. Step 6: Final answer
    x = 9,749.03

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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.