Home / 7,512.75-11,269.73-2,318.63

Finding the Fourth Proportional to 7,512.75, 11,269.73 and 2,318.63

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Solution

The fourth proportional to 7,512.75, 11,269.73 and 2,318.63 is: 3,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.75 : 11,269.73 = 2,318.63 : x
  2. Step 2: Convert to fraction form
    7,512.75/11,269.73 = 2,318.63/x
  3. Step 3: Cross multiply
    7,512.75x = 11,269.73 × 2,318.63
  4. Step 4: Simplify right side
    7,512.75x = 26,130,283.52
  5. Step 5: Solve for x
    x = 26,130,283.52/7,512.75
  6. Step 6: Final answer
    x = 3,478.12

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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.