Home / 7,272.36-10,913.45-4,677.12

Finding the Fourth Proportional to 7,272.36, 10,913.45 and 4,677.12

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Solution

The fourth proportional to 7,272.36, 10,913.45 and 4,677.12 is: 7,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.36 : 10,913.45 = 4,677.12 : x
  2. Step 2: Convert to fraction form
    7,272.36/10,913.45 = 4,677.12/x
  3. Step 3: Cross multiply
    7,272.36x = 10,913.45 × 4,677.12
  4. Step 4: Simplify right side
    7,272.36x = 51,043,491.88
  5. Step 5: Solve for x
    x = 51,043,491.88/7,272.36
  6. Step 6: Final answer
    x = 7,018.83

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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.