Home / 8,307.78-11,464.68-4,530.87

Finding the Fourth Proportional to 8,307.78, 11,464.68 and 4,530.87

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Solution

The fourth proportional to 8,307.78, 11,464.68 and 4,530.87 is: 6,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.78 : 11,464.68 = 4,530.87 : x
  2. Step 2: Convert to fraction form
    8,307.78/11,464.68 = 4,530.87/x
  3. Step 3: Cross multiply
    8,307.78x = 11,464.68 × 4,530.87
  4. Step 4: Simplify right side
    8,307.78x = 51,944,991.66
  5. Step 5: Solve for x
    x = 51,944,991.66/8,307.78
  6. Step 6: Final answer
    x = 6,252.57

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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.