Home / 10,125.50-13,973.14-5,648.97

Finding the Fourth Proportional to 10,125.50, 13,973.14 and 5,648.97

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Solution

The fourth proportional to 10,125.50, 13,973.14 and 5,648.97 is: 7,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.50 : 13,973.14 = 5,648.97 : x
  2. Step 2: Convert to fraction form
    10,125.50/13,973.14 = 5,648.97/x
  3. Step 3: Cross multiply
    10,125.50x = 13,973.14 × 5,648.97
  4. Step 4: Simplify right side
    10,125.50x = 78,933,908.13
  5. Step 5: Solve for x
    x = 78,933,908.13/10,125.50
  6. Step 6: Final answer
    x = 7,795.56

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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.