Home / 10,933.29-15,082.77-6,454.05

Finding the Fourth Proportional to 10,933.29, 15,082.77 and 6,454.05

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Solution

The fourth proportional to 10,933.29, 15,082.77 and 6,454.05 is: 8,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.29 : 15,082.77 = 6,454.05 : x
  2. Step 2: Convert to fraction form
    10,933.29/15,082.77 = 6,454.05/x
  3. Step 3: Cross multiply
    10,933.29x = 15,082.77 × 6,454.05
  4. Step 4: Simplify right side
    10,933.29x = 97,344,951.72
  5. Step 5: Solve for x
    x = 97,344,951.72/10,933.29
  6. Step 6: Final answer
    x = 8,903.54

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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.