Home / 11,087.01-15,298.34-6,370.38

Finding the Fourth Proportional to 11,087.01, 15,298.34 and 6,370.38

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Solution

The fourth proportional to 11,087.01, 15,298.34 and 6,370.38 is: 8,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.01 : 15,298.34 = 6,370.38 : x
  2. Step 2: Convert to fraction form
    11,087.01/15,298.34 = 6,370.38/x
  3. Step 3: Cross multiply
    11,087.01x = 15,298.34 × 6,370.38
  4. Step 4: Simplify right side
    11,087.01x = 97,456,207.32
  5. Step 5: Solve for x
    x = 97,456,207.32/11,087.01
  6. Step 6: Final answer
    x = 8,790.13

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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.