Home / 11,297.43-15,591.21-6,261.87

Finding the Fourth Proportional to 11,297.43, 15,591.21 and 6,261.87

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Solution

The fourth proportional to 11,297.43, 15,591.21 and 6,261.87 is: 8,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.43 : 15,591.21 = 6,261.87 : x
  2. Step 2: Convert to fraction form
    11,297.43/15,591.21 = 6,261.87/x
  3. Step 3: Cross multiply
    11,297.43x = 15,591.21 × 6,261.87
  4. Step 4: Simplify right side
    11,297.43x = 97,630,130.16
  5. Step 5: Solve for x
    x = 97,630,130.16/11,297.43
  6. Step 6: Final answer
    x = 8,641.80

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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.