Home / 9,312.68-13,971.42-3,073.64

Finding the Fourth Proportional to 9,312.68, 13,971.42 and 3,073.64

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Solution

The fourth proportional to 9,312.68, 13,971.42 and 3,073.64 is: 4,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.68 : 13,971.42 = 3,073.64 : x
  2. Step 2: Convert to fraction form
    9,312.68/13,971.42 = 3,073.64/x
  3. Step 3: Cross multiply
    9,312.68x = 13,971.42 × 3,073.64
  4. Step 4: Simplify right side
    9,312.68x = 42,943,115.37
  5. Step 5: Solve for x
    x = 42,943,115.37/9,312.68
  6. Step 6: Final answer
    x = 4,611.25

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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.