Home / 9,192.86-13,785.95-3,928.23

Finding the Fourth Proportional to 9,192.86, 13,785.95 and 3,928.23

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Solution

The fourth proportional to 9,192.86, 13,785.95 and 3,928.23 is: 5,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.86 : 13,785.95 = 3,928.23 : x
  2. Step 2: Convert to fraction form
    9,192.86/13,785.95 = 3,928.23/x
  3. Step 3: Cross multiply
    9,192.86x = 13,785.95 × 3,928.23
  4. Step 4: Simplify right side
    9,192.86x = 54,154,392.19
  5. Step 5: Solve for x
    x = 54,154,392.19/9,192.86
  6. Step 6: Final answer
    x = 5,890.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.