Home / 10,004.32-13,806.84-5,813.92

Finding the Fourth Proportional to 10,004.32, 13,806.84 and 5,813.92

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Solution

The fourth proportional to 10,004.32, 13,806.84 and 5,813.92 is: 8,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.32 : 13,806.84 = 5,813.92 : x
  2. Step 2: Convert to fraction form
    10,004.32/13,806.84 = 5,813.92/x
  3. Step 3: Cross multiply
    10,004.32x = 13,806.84 × 5,813.92
  4. Step 4: Simplify right side
    10,004.32x = 80,271,863.21
  5. Step 5: Solve for x
    x = 80,271,863.21/10,004.32
  6. Step 6: Final answer
    x = 8,023.72

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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.