Home / 10,933.18-15,089.06-6,218.16

Finding the Fourth Proportional to 10,933.18, 15,089.06 and 6,218.16

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Solution

The fourth proportional to 10,933.18, 15,089.06 and 6,218.16 is: 8,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.18 : 15,089.06 = 6,218.16 : x
  2. Step 2: Convert to fraction form
    10,933.18/15,089.06 = 6,218.16/x
  3. Step 3: Cross multiply
    10,933.18x = 15,089.06 × 6,218.16
  4. Step 4: Simplify right side
    10,933.18x = 93,826,189.33
  5. Step 5: Solve for x
    x = 93,826,189.33/10,933.18
  6. Step 6: Final answer
    x = 8,581.78

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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.