Home / 11,102.91-15,320.19-6,564.96

Finding the Fourth Proportional to 11,102.91, 15,320.19 and 6,564.96

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Solution

The fourth proportional to 11,102.91, 15,320.19 and 6,564.96 is: 9,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.91 : 15,320.19 = 6,564.96 : x
  2. Step 2: Convert to fraction form
    11,102.91/15,320.19 = 6,564.96/x
  3. Step 3: Cross multiply
    11,102.91x = 15,320.19 × 6,564.96
  4. Step 4: Simplify right side
    11,102.91x = 100,576,434.54
  5. Step 5: Solve for x
    x = 100,576,434.54/11,102.91
  6. Step 6: Final answer
    x = 9,058.57

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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.