Home / 11,020.86-15,203.70-6,542.08

Finding the Fourth Proportional to 11,020.86, 15,203.70 and 6,542.08

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Solution

The fourth proportional to 11,020.86, 15,203.70 and 6,542.08 is: 9,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.86 : 15,203.70 = 6,542.08 : x
  2. Step 2: Convert to fraction form
    11,020.86/15,203.70 = 6,542.08/x
  3. Step 3: Cross multiply
    11,020.86x = 15,203.70 × 6,542.08
  4. Step 4: Simplify right side
    11,020.86x = 99,463,821.70
  5. Step 5: Solve for x
    x = 99,463,821.70/11,020.86
  6. Step 6: Final answer
    x = 9,025.05

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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.