Home / 10,010.58-15,021.22-5,628.36

Finding the Fourth Proportional to 10,010.58, 15,021.22 and 5,628.36

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Solution

The fourth proportional to 10,010.58, 15,021.22 and 5,628.36 is: 8,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.58 : 15,021.22 = 5,628.36 : x
  2. Step 2: Convert to fraction form
    10,010.58/15,021.22 = 5,628.36/x
  3. Step 3: Cross multiply
    10,010.58x = 15,021.22 × 5,628.36
  4. Step 4: Simplify right side
    10,010.58x = 84,544,833.80
  5. Step 5: Solve for x
    x = 84,544,833.80/10,010.58
  6. Step 6: Final answer
    x = 8,445.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.