Home / 7,723.08-11,528.70-6,788.92

Finding the Fourth Proportional to 7,723.08, 11,528.70 and 6,788.92

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Solution

The fourth proportional to 7,723.08, 11,528.70 and 6,788.92 is: 10,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.08 : 11,528.70 = 6,788.92 : x
  2. Step 2: Convert to fraction form
    7,723.08/11,528.70 = 6,788.92/x
  3. Step 3: Cross multiply
    7,723.08x = 11,528.70 × 6,788.92
  4. Step 4: Simplify right side
    7,723.08x = 78,267,422.00
  5. Step 5: Solve for x
    x = 78,267,422.00/7,723.08
  6. Step 6: Final answer
    x = 10,134.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.