Home / 28,552.48-42,817.38-11,011.12

Finding the Fourth Proportional to 28,552.48, 42,817.38 and 11,011.12

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Solution

The fourth proportional to 28,552.48, 42,817.38 and 11,011.12 is: 16,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.48 : 42,817.38 = 11,011.12 : x
  2. Step 2: Convert to fraction form
    28,552.48/42,817.38 = 11,011.12/x
  3. Step 3: Cross multiply
    28,552.48x = 42,817.38 × 11,011.12
  4. Step 4: Simplify right side
    28,552.48x = 471,467,309.27
  5. Step 5: Solve for x
    x = 471,467,309.27/28,552.48
  6. Step 6: Final answer
    x = 16,512.31

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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.