Home / 7,607.36-11,391.76-6,371.68

Finding the Fourth Proportional to 7,607.36, 11,391.76 and 6,371.68

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Solution

The fourth proportional to 7,607.36, 11,391.76 and 6,371.68 is: 9,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.36 : 11,391.76 = 6,371.68 : x
  2. Step 2: Convert to fraction form
    7,607.36/11,391.76 = 6,371.68/x
  3. Step 3: Cross multiply
    7,607.36x = 11,391.76 × 6,371.68
  4. Step 4: Simplify right side
    7,607.36x = 72,584,649.36
  5. Step 5: Solve for x
    x = 72,584,649.36/7,607.36
  6. Step 6: Final answer
    x = 9,541.37

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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.