Home / 9,202.92-12,689.56-6,693.40

Finding the Fourth Proportional to 9,202.92, 12,689.56 and 6,693.40

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Solution

The fourth proportional to 9,202.92, 12,689.56 and 6,693.40 is: 9,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.92 : 12,689.56 = 6,693.40 : x
  2. Step 2: Convert to fraction form
    9,202.92/12,689.56 = 6,693.40/x
  3. Step 3: Cross multiply
    9,202.92x = 12,689.56 × 6,693.40
  4. Step 4: Simplify right side
    9,202.92x = 84,936,300.90
  5. Step 5: Solve for x
    x = 84,936,300.90/9,202.92
  6. Step 6: Final answer
    x = 9,229.28

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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.