Home / 11,184.06-15,427.55-6,985.02

Finding the Fourth Proportional to 11,184.06, 15,427.55 and 6,985.02

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Solution

The fourth proportional to 11,184.06, 15,427.55 and 6,985.02 is: 9,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.06 : 15,427.55 = 6,985.02 : x
  2. Step 2: Convert to fraction form
    11,184.06/15,427.55 = 6,985.02/x
  3. Step 3: Cross multiply
    11,184.06x = 15,427.55 × 6,985.02
  4. Step 4: Simplify right side
    11,184.06x = 107,761,745.30
  5. Step 5: Solve for x
    x = 107,761,745.30/11,184.06
  6. Step 6: Final answer
    x = 9,635.30

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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.