Home / 9,795.79-13,521.63-5,816.87

Finding the Fourth Proportional to 9,795.79, 13,521.63 and 5,816.87

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Solution

The fourth proportional to 9,795.79, 13,521.63 and 5,816.87 is: 8,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.79 : 13,521.63 = 5,816.87 : x
  2. Step 2: Convert to fraction form
    9,795.79/13,521.63 = 5,816.87/x
  3. Step 3: Cross multiply
    9,795.79x = 13,521.63 × 5,816.87
  4. Step 4: Simplify right side
    9,795.79x = 78,653,544.64
  5. Step 5: Solve for x
    x = 78,653,544.64/9,795.79
  6. Step 6: Final answer
    x = 8,029.33

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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.