Home / 9,057.36-12,497.04-6,078.72

Finding the Fourth Proportional to 9,057.36, 12,497.04 and 6,078.72

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Solution

The fourth proportional to 9,057.36, 12,497.04 and 6,078.72 is: 8,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.36 : 12,497.04 = 6,078.72 : x
  2. Step 2: Convert to fraction form
    9,057.36/12,497.04 = 6,078.72/x
  3. Step 3: Cross multiply
    9,057.36x = 12,497.04 × 6,078.72
  4. Step 4: Simplify right side
    9,057.36x = 75,966,006.99
  5. Step 5: Solve for x
    x = 75,966,006.99/9,057.36
  6. Step 6: Final answer
    x = 8,387.21

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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.