Home / 9,972.25-13,764.14-5,782.93

Finding the Fourth Proportional to 9,972.25, 13,764.14 and 5,782.93

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Solution

The fourth proportional to 9,972.25, 13,764.14 and 5,782.93 is: 7,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.25 : 13,764.14 = 5,782.93 : x
  2. Step 2: Convert to fraction form
    9,972.25/13,764.14 = 5,782.93/x
  3. Step 3: Cross multiply
    9,972.25x = 13,764.14 × 5,782.93
  4. Step 4: Simplify right side
    9,972.25x = 79,597,058.13
  5. Step 5: Solve for x
    x = 79,597,058.13/9,972.25
  6. Step 6: Final answer
    x = 7,981.86

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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.