Home / 10,351.81-14,285.04-5,636.08

Finding the Fourth Proportional to 10,351.81, 14,285.04 and 5,636.08

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Solution

The fourth proportional to 10,351.81, 14,285.04 and 5,636.08 is: 7,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.81 : 14,285.04 = 5,636.08 : x
  2. Step 2: Convert to fraction form
    10,351.81/14,285.04 = 5,636.08/x
  3. Step 3: Cross multiply
    10,351.81x = 14,285.04 × 5,636.08
  4. Step 4: Simplify right side
    10,351.81x = 80,511,628.24
  5. Step 5: Solve for x
    x = 80,511,628.24/10,351.81
  6. Step 6: Final answer
    x = 7,777.54

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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.