Home / 7,492.57-11,235.59-3,981.73

Finding the Fourth Proportional to 7,492.57, 11,235.59 and 3,981.73

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Solution

The fourth proportional to 7,492.57, 11,235.59 and 3,981.73 is: 5,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.57 : 11,235.59 = 3,981.73 : x
  2. Step 2: Convert to fraction form
    7,492.57/11,235.59 = 3,981.73/x
  3. Step 3: Cross multiply
    7,492.57x = 11,235.59 × 3,981.73
  4. Step 4: Simplify right side
    7,492.57x = 44,737,085.77
  5. Step 5: Solve for x
    x = 44,737,085.77/7,492.57
  6. Step 6: Final answer
    x = 5,970.86

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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.