Home / 9,404.32-12,977.84-5,212.48

Finding the Fourth Proportional to 9,404.32, 12,977.84 and 5,212.48

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Solution

The fourth proportional to 9,404.32, 12,977.84 and 5,212.48 is: 7,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.32 : 12,977.84 = 5,212.48 : x
  2. Step 2: Convert to fraction form
    9,404.32/12,977.84 = 5,212.48/x
  3. Step 3: Cross multiply
    9,404.32x = 12,977.84 × 5,212.48
  4. Step 4: Simplify right side
    9,404.32x = 67,646,731.44
  5. Step 5: Solve for x
    x = 67,646,731.44/9,404.32
  6. Step 6: Final answer
    x = 7,193.16

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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.