Home / 11,027.48-16,542.20-3,130.11

Finding the Fourth Proportional to 11,027.48, 16,542.20 and 3,130.11

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Solution

The fourth proportional to 11,027.48, 16,542.20 and 3,130.11 is: 4,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.48 : 16,542.20 = 3,130.11 : x
  2. Step 2: Convert to fraction form
    11,027.48/16,542.20 = 3,130.11/x
  3. Step 3: Cross multiply
    11,027.48x = 16,542.20 × 3,130.11
  4. Step 4: Simplify right side
    11,027.48x = 51,778,913.47
  5. Step 5: Solve for x
    x = 51,778,913.47/11,027.48
  6. Step 6: Final answer
    x = 4,695.45

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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.