Home / 9,579.32-13,211.96-6,223.21

Finding the Fourth Proportional to 9,579.32, 13,211.96 and 6,223.21

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Solution

The fourth proportional to 9,579.32, 13,211.96 and 6,223.21 is: 8,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.32 : 13,211.96 = 6,223.21 : x
  2. Step 2: Convert to fraction form
    9,579.32/13,211.96 = 6,223.21/x
  3. Step 3: Cross multiply
    9,579.32x = 13,211.96 × 6,223.21
  4. Step 4: Simplify right side
    9,579.32x = 82,220,772.45
  5. Step 5: Solve for x
    x = 82,220,772.45/9,579.32
  6. Step 6: Final answer
    x = 8,583.15

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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.