Home / 9,573.21-13,213.63-6,215.84

Finding the Fourth Proportional to 9,573.21, 13,213.63 and 6,215.84

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Solution

The fourth proportional to 9,573.21, 13,213.63 and 6,215.84 is: 8,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,573.21 : 13,213.63 = 6,215.84 : x
  2. Step 2: Convert to fraction form
    9,573.21/13,213.63 = 6,215.84/x
  3. Step 3: Cross multiply
    9,573.21x = 13,213.63 × 6,215.84
  4. Step 4: Simplify right side
    9,573.21x = 82,133,809.90
  5. Step 5: Solve for x
    x = 82,133,809.90/9,573.21
  6. Step 6: Final answer
    x = 8,579.55

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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.