Home / 11,078.22-15,287.35-6,362.50

Finding the Fourth Proportional to 11,078.22, 15,287.35 and 6,362.50

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Solution

The fourth proportional to 11,078.22, 15,287.35 and 6,362.50 is: 8,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.22 : 15,287.35 = 6,362.50 : x
  2. Step 2: Convert to fraction form
    11,078.22/15,287.35 = 6,362.50/x
  3. Step 3: Cross multiply
    11,078.22x = 15,287.35 × 6,362.50
  4. Step 4: Simplify right side
    11,078.22x = 97,265,764.38
  5. Step 5: Solve for x
    x = 97,265,764.38/11,078.22
  6. Step 6: Final answer
    x = 8,779.91

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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.