Home / 10,312.01-15,467.94-2,520.75

Finding the Fourth Proportional to 10,312.01, 15,467.94 and 2,520.75

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Solution

The fourth proportional to 10,312.01, 15,467.94 and 2,520.75 is: 3,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.01 : 15,467.94 = 2,520.75 : x
  2. Step 2: Convert to fraction form
    10,312.01/15,467.94 = 2,520.75/x
  3. Step 3: Cross multiply
    10,312.01x = 15,467.94 × 2,520.75
  4. Step 4: Simplify right side
    10,312.01x = 38,990,809.76
  5. Step 5: Solve for x
    x = 38,990,809.76/10,312.01
  6. Step 6: Final answer
    x = 3,781.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.