Home / 8,371.48-11,555.06-6,704.52

Finding the Fourth Proportional to 8,371.48, 11,555.06 and 6,704.52

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Solution

The fourth proportional to 8,371.48, 11,555.06 and 6,704.52 is: 9,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.48 : 11,555.06 = 6,704.52 : x
  2. Step 2: Convert to fraction form
    8,371.48/11,555.06 = 6,704.52/x
  3. Step 3: Cross multiply
    8,371.48x = 11,555.06 × 6,704.52
  4. Step 4: Simplify right side
    8,371.48x = 77,471,130.87
  5. Step 5: Solve for x
    x = 77,471,130.87/8,371.48
  6. Step 6: Final answer
    x = 9,254.17

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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.