Home / 9,752.87-13,462.40-5,777.39

Finding the Fourth Proportional to 9,752.87, 13,462.40 and 5,777.39

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Solution

The fourth proportional to 9,752.87, 13,462.40 and 5,777.39 is: 7,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,752.87 : 13,462.40 = 5,777.39 : x
  2. Step 2: Convert to fraction form
    9,752.87/13,462.40 = 5,777.39/x
  3. Step 3: Cross multiply
    9,752.87x = 13,462.40 × 5,777.39
  4. Step 4: Simplify right side
    9,752.87x = 77,777,583.24
  5. Step 5: Solve for x
    x = 77,777,583.24/9,752.87
  6. Step 6: Final answer
    x = 7,974.84

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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.