Home / 11,521.48-17,269.56-4,499.38

Finding the Fourth Proportional to 11,521.48, 17,269.56 and 4,499.38

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Solution

The fourth proportional to 11,521.48, 17,269.56 and 4,499.38 is: 6,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.48 : 17,269.56 = 4,499.38 : x
  2. Step 2: Convert to fraction form
    11,521.48/17,269.56 = 4,499.38/x
  3. Step 3: Cross multiply
    11,521.48x = 17,269.56 × 4,499.38
  4. Step 4: Simplify right side
    11,521.48x = 77,702,312.87
  5. Step 5: Solve for x
    x = 77,702,312.87/11,521.48
  6. Step 6: Final answer
    x = 6,744.13

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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.