Home / 10,172.05-14,038.92-6,192.42

Finding the Fourth Proportional to 10,172.05, 14,038.92 and 6,192.42

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Solution

The fourth proportional to 10,172.05, 14,038.92 and 6,192.42 is: 8,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.05 : 14,038.92 = 6,192.42 : x
  2. Step 2: Convert to fraction form
    10,172.05/14,038.92 = 6,192.42/x
  3. Step 3: Cross multiply
    10,172.05x = 14,038.92 × 6,192.42
  4. Step 4: Simplify right side
    10,172.05x = 86,934,836.34
  5. Step 5: Solve for x
    x = 86,934,836.34/10,172.05
  6. Step 6: Final answer
    x = 8,546.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.