Home / 11,345.25-17,017.89-5,502.72

Finding the Fourth Proportional to 11,345.25, 17,017.89 and 5,502.72

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Solution

The fourth proportional to 11,345.25, 17,017.89 and 5,502.72 is: 8,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.25 : 17,017.89 = 5,502.72 : x
  2. Step 2: Convert to fraction form
    11,345.25/17,017.89 = 5,502.72/x
  3. Step 3: Cross multiply
    11,345.25x = 17,017.89 × 5,502.72
  4. Step 4: Simplify right side
    11,345.25x = 93,644,683.66
  5. Step 5: Solve for x
    x = 93,644,683.66/11,345.25
  6. Step 6: Final answer
    x = 8,254.09

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1.5x scale

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.