Home / 7,744.72-10,698.60-7,044.88

Finding the Fourth Proportional to 7,744.72, 10,698.60 and 7,044.88

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Solution

The fourth proportional to 7,744.72, 10,698.60 and 7,044.88 is: 9,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.72 : 10,698.60 = 7,044.88 : x
  2. Step 2: Convert to fraction form
    7,744.72/10,698.60 = 7,044.88/x
  3. Step 3: Cross multiply
    7,744.72x = 10,698.60 × 7,044.88
  4. Step 4: Simplify right side
    7,744.72x = 75,370,353.17
  5. Step 5: Solve for x
    x = 75,370,353.17/7,744.72
  6. Step 6: Final answer
    x = 9,731.84

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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.