Home / 11,703.06-16,150.54-7,165.66

Finding the Fourth Proportional to 11,703.06, 16,150.54 and 7,165.66

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Solution

The fourth proportional to 11,703.06, 16,150.54 and 7,165.66 is: 9,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.06 : 16,150.54 = 7,165.66 : x
  2. Step 2: Convert to fraction form
    11,703.06/16,150.54 = 7,165.66/x
  3. Step 3: Cross multiply
    11,703.06x = 16,150.54 × 7,165.66
  4. Step 4: Simplify right side
    11,703.06x = 115,729,278.46
  5. Step 5: Solve for x
    x = 115,729,278.46/11,703.06
  6. Step 6: Final answer
    x = 9,888.81

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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.