Home / 9,822.30-13,552.40-5,789.30

Finding the Fourth Proportional to 9,822.30, 13,552.40 and 5,789.30

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Solution

The fourth proportional to 9,822.30, 13,552.40 and 5,789.30 is: 7,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.30 : 13,552.40 = 5,789.30 : x
  2. Step 2: Convert to fraction form
    9,822.30/13,552.40 = 5,789.30/x
  3. Step 3: Cross multiply
    9,822.30x = 13,552.40 × 5,789.30
  4. Step 4: Simplify right side
    9,822.30x = 78,458,812.61
  5. Step 5: Solve for x
    x = 78,458,812.61/9,822.30
  6. Step 6: Final answer
    x = 7,987.82

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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.