Home / 8,010.45-11,050.40-5,180.24

Finding the Fourth Proportional to 8,010.45, 11,050.40 and 5,180.24

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Solution

The fourth proportional to 8,010.45, 11,050.40 and 5,180.24 is: 7,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.45 : 11,050.40 = 5,180.24 : x
  2. Step 2: Convert to fraction form
    8,010.45/11,050.40 = 5,180.24/x
  3. Step 3: Cross multiply
    8,010.45x = 11,050.40 × 5,180.24
  4. Step 4: Simplify right side
    8,010.45x = 57,243,642.94
  5. Step 5: Solve for x
    x = 57,243,642.94/8,010.45
  6. Step 6: Final answer
    x = 7,146.12

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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.