Home / 11,237.46-15,507.63-6,521.64

Finding the Fourth Proportional to 11,237.46, 15,507.63 and 6,521.64

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Solution

The fourth proportional to 11,237.46, 15,507.63 and 6,521.64 is: 8,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.46 : 15,507.63 = 6,521.64 : x
  2. Step 2: Convert to fraction form
    11,237.46/15,507.63 = 6,521.64/x
  3. Step 3: Cross multiply
    11,237.46x = 15,507.63 × 6,521.64
  4. Step 4: Simplify right side
    11,237.46x = 101,135,180.11
  5. Step 5: Solve for x
    x = 101,135,180.11/11,237.46
  6. Step 6: Final answer
    x = 8,999.83

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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.