Home / 9,620.75-13,276.84-5,313.82

Finding the Fourth Proportional to 9,620.75, 13,276.84 and 5,313.82

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Solution

The fourth proportional to 9,620.75, 13,276.84 and 5,313.82 is: 7,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.75 : 13,276.84 = 5,313.82 : x
  2. Step 2: Convert to fraction form
    9,620.75/13,276.84 = 5,313.82/x
  3. Step 3: Cross multiply
    9,620.75x = 13,276.84 × 5,313.82
  4. Step 4: Simplify right side
    9,620.75x = 70,550,737.93
  5. Step 5: Solve for x
    x = 70,550,737.93/9,620.75
  6. Step 6: Final answer
    x = 7,333.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.