Home / 11,013.06-15,205.35-6,538.25

Finding the Fourth Proportional to 11,013.06, 15,205.35 and 6,538.25

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Solution

The fourth proportional to 11,013.06, 15,205.35 and 6,538.25 is: 9,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.06 : 15,205.35 = 6,538.25 : x
  2. Step 2: Convert to fraction form
    11,013.06/15,205.35 = 6,538.25/x
  3. Step 3: Cross multiply
    11,013.06x = 15,205.35 × 6,538.25
  4. Step 4: Simplify right side
    11,013.06x = 99,416,387.00
  5. Step 5: Solve for x
    x = 99,416,387.00/11,013.06
  6. Step 6: Final answer
    x = 9,027.13

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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.