Home / 7,677.28-11,513.52-2,482.08

Finding the Fourth Proportional to 7,677.28, 11,513.52 and 2,482.08

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Solution

The fourth proportional to 7,677.28, 11,513.52 and 2,482.08 is: 3,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.28 : 11,513.52 = 2,482.08 : x
  2. Step 2: Convert to fraction form
    7,677.28/11,513.52 = 2,482.08/x
  3. Step 3: Cross multiply
    7,677.28x = 11,513.52 × 2,482.08
  4. Step 4: Simplify right side
    7,677.28x = 28,577,477.72
  5. Step 5: Solve for x
    x = 28,577,477.72/7,677.28
  6. Step 6: Final answer
    x = 3,722.34

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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.