Home / 10,933.92-15,091.92-6,456.24

Finding the Fourth Proportional to 10,933.92, 15,091.92 and 6,456.24

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Solution

The fourth proportional to 10,933.92, 15,091.92 and 6,456.24 is: 8,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.92 : 15,091.92 = 6,456.24 : x
  2. Step 2: Convert to fraction form
    10,933.92/15,091.92 = 6,456.24/x
  3. Step 3: Cross multiply
    10,933.92x = 15,091.92 × 6,456.24
  4. Step 4: Simplify right side
    10,933.92x = 97,437,057.58
  5. Step 5: Solve for x
    x = 97,437,057.58/10,933.92
  6. Step 6: Final answer
    x = 8,911.45

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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.