Home / 10,219.46-14,105.52-5,744.66

Finding the Fourth Proportional to 10,219.46, 14,105.52 and 5,744.66

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Solution

The fourth proportional to 10,219.46, 14,105.52 and 5,744.66 is: 7,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.46 : 14,105.52 = 5,744.66 : x
  2. Step 2: Convert to fraction form
    10,219.46/14,105.52 = 5,744.66/x
  3. Step 3: Cross multiply
    10,219.46x = 14,105.52 × 5,744.66
  4. Step 4: Simplify right side
    10,219.46x = 81,031,346.00
  5. Step 5: Solve for x
    x = 81,031,346.00/10,219.46
  6. Step 6: Final answer
    x = 7,929.13

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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.