Home / 7,623.16-10,520.26-4,479.32

Finding the Fourth Proportional to 7,623.16, 10,520.26 and 4,479.32

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Solution

The fourth proportional to 7,623.16, 10,520.26 and 4,479.32 is: 6,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.16 : 10,520.26 = 4,479.32 : x
  2. Step 2: Convert to fraction form
    7,623.16/10,520.26 = 4,479.32/x
  3. Step 3: Cross multiply
    7,623.16x = 10,520.26 × 4,479.32
  4. Step 4: Simplify right side
    7,623.16x = 47,123,611.02
  5. Step 5: Solve for x
    x = 47,123,611.02/7,623.16
  6. Step 6: Final answer
    x = 6,181.64

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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.