Home / 9,645.92-13,313.12-5,454.16

Finding the Fourth Proportional to 9,645.92, 13,313.12 and 5,454.16

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Solution

The fourth proportional to 9,645.92, 13,313.12 and 5,454.16 is: 7,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.92 : 13,313.12 = 5,454.16 : x
  2. Step 2: Convert to fraction form
    9,645.92/13,313.12 = 5,454.16/x
  3. Step 3: Cross multiply
    9,645.92x = 13,313.12 × 5,454.16
  4. Step 4: Simplify right side
    9,645.92x = 72,611,886.58
  5. Step 5: Solve for x
    x = 72,611,886.58/9,645.92
  6. Step 6: Final answer
    x = 7,527.73

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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.