Home / 10,170.49-14,036.61-5,921.62

Finding the Fourth Proportional to 10,170.49, 14,036.61 and 5,921.62

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Solution

The fourth proportional to 10,170.49, 14,036.61 and 5,921.62 is: 8,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.49 : 14,036.61 = 5,921.62 : x
  2. Step 2: Convert to fraction form
    10,170.49/14,036.61 = 5,921.62/x
  3. Step 3: Cross multiply
    10,170.49x = 14,036.61 × 5,921.62
  4. Step 4: Simplify right side
    10,170.49x = 83,119,496.25
  5. Step 5: Solve for x
    x = 83,119,496.25/10,170.49
  6. Step 6: Final answer
    x = 8,172.61

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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.