Home / 11,572.15-17,358.29-2,807.07

Finding the Fourth Proportional to 11,572.15, 17,358.29 and 2,807.07

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Solution

The fourth proportional to 11,572.15, 17,358.29 and 2,807.07 is: 4,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.15 : 17,358.29 = 2,807.07 : x
  2. Step 2: Convert to fraction form
    11,572.15/17,358.29 = 2,807.07/x
  3. Step 3: Cross multiply
    11,572.15x = 17,358.29 × 2,807.07
  4. Step 4: Simplify right side
    11,572.15x = 48,725,935.11
  5. Step 5: Solve for x
    x = 48,725,935.11/11,572.15
  6. Step 6: Final answer
    x = 4,210.62

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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.