Home / 10,161.79-15,239.88-4,900.23

Finding the Fourth Proportional to 10,161.79, 15,239.88 and 4,900.23

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Solution

The fourth proportional to 10,161.79, 15,239.88 and 4,900.23 is: 7,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.79 : 15,239.88 = 4,900.23 : x
  2. Step 2: Convert to fraction form
    10,161.79/15,239.88 = 4,900.23/x
  3. Step 3: Cross multiply
    10,161.79x = 15,239.88 × 4,900.23
  4. Step 4: Simplify right side
    10,161.79x = 74,678,917.17
  5. Step 5: Solve for x
    x = 74,678,917.17/10,161.79
  6. Step 6: Final answer
    x = 7,348.99

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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.