Home / 11,503.29-17,243.31-4,478.93

Finding the Fourth Proportional to 11,503.29, 17,243.31 and 4,478.93

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Solution

The fourth proportional to 11,503.29, 17,243.31 and 4,478.93 is: 6,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.29 : 17,243.31 = 4,478.93 : x
  2. Step 2: Convert to fraction form
    11,503.29/17,243.31 = 4,478.93/x
  3. Step 3: Cross multiply
    11,503.29x = 17,243.31 × 4,478.93
  4. Step 4: Simplify right side
    11,503.29x = 77,231,492.24
  5. Step 5: Solve for x
    x = 77,231,492.24/11,503.29
  6. Step 6: Final answer
    x = 6,713.86

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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.