Home / 7,802.08-11,700.48-2,606.56

Finding the Fourth Proportional to 7,802.08, 11,700.48 and 2,606.56

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Solution

The fourth proportional to 7,802.08, 11,700.48 and 2,606.56 is: 3,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.08 : 11,700.48 = 2,606.56 : x
  2. Step 2: Convert to fraction form
    7,802.08/11,700.48 = 2,606.56/x
  3. Step 3: Cross multiply
    7,802.08x = 11,700.48 × 2,606.56
  4. Step 4: Simplify right side
    7,802.08x = 30,498,003.15
  5. Step 5: Solve for x
    x = 30,498,003.15/7,802.08
  6. Step 6: Final answer
    x = 3,908.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.