Home / 7,711.75-11,572.40-3,552.35

Finding the Fourth Proportional to 7,711.75, 11,572.40 and 3,552.35

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Solution

The fourth proportional to 7,711.75, 11,572.40 and 3,552.35 is: 5,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.75 : 11,572.40 = 3,552.35 : x
  2. Step 2: Convert to fraction form
    7,711.75/11,572.40 = 3,552.35/x
  3. Step 3: Cross multiply
    7,711.75x = 11,572.40 × 3,552.35
  4. Step 4: Simplify right side
    7,711.75x = 41,109,166.16
  5. Step 5: Solve for x
    x = 41,109,166.16/7,711.75
  6. Step 6: Final answer
    x = 5,330.72

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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.