Home / 11,923.10-16,456.28-6,888.14

Finding the Fourth Proportional to 11,923.10, 16,456.28 and 6,888.14

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Solution

The fourth proportional to 11,923.10, 16,456.28 and 6,888.14 is: 9,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.10 : 16,456.28 = 6,888.14 : x
  2. Step 2: Convert to fraction form
    11,923.10/16,456.28 = 6,888.14/x
  3. Step 3: Cross multiply
    11,923.10x = 16,456.28 × 6,888.14
  4. Step 4: Simplify right side
    11,923.10x = 113,353,160.52
  5. Step 5: Solve for x
    x = 113,353,160.52/11,923.10
  6. Step 6: Final answer
    x = 9,507.02

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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.