Home / 12,062.52-18,121.58-11,564.30

Finding the Fourth Proportional to 12,062.52, 18,121.58 and 11,564.30

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Solution

The fourth proportional to 12,062.52, 18,121.58 and 11,564.30 is: 17,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.52 : 18,121.58 = 11,564.30 : x
  2. Step 2: Convert to fraction form
    12,062.52/18,121.58 = 11,564.30/x
  3. Step 3: Cross multiply
    12,062.52x = 18,121.58 × 11,564.30
  4. Step 4: Simplify right side
    12,062.52x = 209,563,387.59
  5. Step 5: Solve for x
    x = 209,563,387.59/12,062.52
  6. Step 6: Final answer
    x = 17,373.10

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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.