Home / 12,631.68-17,433.39-7,325.40

Finding the Fourth Proportional to 12,631.68, 17,433.39 and 7,325.40

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Solution

The fourth proportional to 12,631.68, 17,433.39 and 7,325.40 is: 10,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.68 : 17,433.39 = 7,325.40 : x
  2. Step 2: Convert to fraction form
    12,631.68/17,433.39 = 7,325.40/x
  3. Step 3: Cross multiply
    12,631.68x = 17,433.39 × 7,325.40
  4. Step 4: Simplify right side
    12,631.68x = 127,706,555.11
  5. Step 5: Solve for x
    x = 127,706,555.11/12,631.68
  6. Step 6: Final answer
    x = 10,110.02

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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.