Home / 9,170.87-13,754.08-4,235.76

Finding the Fourth Proportional to 9,170.87, 13,754.08 and 4,235.76

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Solution

The fourth proportional to 9,170.87, 13,754.08 and 4,235.76 is: 6,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.87 : 13,754.08 = 4,235.76 : x
  2. Step 2: Convert to fraction form
    9,170.87/13,754.08 = 4,235.76/x
  3. Step 3: Cross multiply
    9,170.87x = 13,754.08 × 4,235.76
  4. Step 4: Simplify right side
    9,170.87x = 58,258,981.90
  5. Step 5: Solve for x
    x = 58,258,981.90/9,170.87
  6. Step 6: Final answer
    x = 6,352.61

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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.