Home / 11,972.10-16,521.48-6,667.38

Finding the Fourth Proportional to 11,972.10, 16,521.48 and 6,667.38

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Solution

The fourth proportional to 11,972.10, 16,521.48 and 6,667.38 is: 9,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.10 : 16,521.48 = 6,667.38 : x
  2. Step 2: Convert to fraction form
    11,972.10/16,521.48 = 6,667.38/x
  3. Step 3: Cross multiply
    11,972.10x = 16,521.48 × 6,667.38
  4. Step 4: Simplify right side
    11,972.10x = 110,154,985.32
  5. Step 5: Solve for x
    x = 110,154,985.32/11,972.10
  6. Step 6: Final answer
    x = 9,200.97

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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.