Home / 10,535.91-15,808.49-4,993.22

Finding the Fourth Proportional to 10,535.91, 15,808.49 and 4,993.22

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Solution

The fourth proportional to 10,535.91, 15,808.49 and 4,993.22 is: 7,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.91 : 15,808.49 = 4,993.22 : x
  2. Step 2: Convert to fraction form
    10,535.91/15,808.49 = 4,993.22/x
  3. Step 3: Cross multiply
    10,535.91x = 15,808.49 × 4,993.22
  4. Step 4: Simplify right side
    10,535.91x = 78,935,164.43
  5. Step 5: Solve for x
    x = 78,935,164.43/10,535.91
  6. Step 6: Final answer
    x = 7,492.01

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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.