Home / 11,421.02-17,127.87-3,628.01

Finding the Fourth Proportional to 11,421.02, 17,127.87 and 3,628.01

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Solution

The fourth proportional to 11,421.02, 17,127.87 and 3,628.01 is: 5,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.02 : 17,127.87 = 3,628.01 : x
  2. Step 2: Convert to fraction form
    11,421.02/17,127.87 = 3,628.01/x
  3. Step 3: Cross multiply
    11,421.02x = 17,127.87 × 3,628.01
  4. Step 4: Simplify right side
    11,421.02x = 62,139,998.00
  5. Step 5: Solve for x
    x = 62,139,998.00/11,421.02
  6. Step 6: Final answer
    x = 5,440.85

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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.