Home / 11,360.73-15,673.45-7,051.80

Finding the Fourth Proportional to 11,360.73, 15,673.45 and 7,051.80

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Solution

The fourth proportional to 11,360.73, 15,673.45 and 7,051.80 is: 9,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.73 : 15,673.45 = 7,051.80 : x
  2. Step 2: Convert to fraction form
    11,360.73/15,673.45 = 7,051.80/x
  3. Step 3: Cross multiply
    11,360.73x = 15,673.45 × 7,051.80
  4. Step 4: Simplify right side
    11,360.73x = 110,525,977.90
  5. Step 5: Solve for x
    x = 110,525,977.90/11,360.73
  6. Step 6: Final answer
    x = 9,728.78

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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.