Home / 8,157.21-11,252.81-5,088.53

Finding the Fourth Proportional to 8,157.21, 11,252.81 and 5,088.53

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Solution

The fourth proportional to 8,157.21, 11,252.81 and 5,088.53 is: 7,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.21 : 11,252.81 = 5,088.53 : x
  2. Step 2: Convert to fraction form
    8,157.21/11,252.81 = 5,088.53/x
  3. Step 3: Cross multiply
    8,157.21x = 11,252.81 × 5,088.53
  4. Step 4: Simplify right side
    8,157.21x = 57,260,241.85
  5. Step 5: Solve for x
    x = 57,260,241.85/8,157.21
  6. Step 6: Final answer
    x = 7,019.58

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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.