Home / 8,417.08-11,603.31-5,891.50

Finding the Fourth Proportional to 8,417.08, 11,603.31 and 5,891.50

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Solution

The fourth proportional to 8,417.08, 11,603.31 and 5,891.50 is: 8,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.08 : 11,603.31 = 5,891.50 : x
  2. Step 2: Convert to fraction form
    8,417.08/11,603.31 = 5,891.50/x
  3. Step 3: Cross multiply
    8,417.08x = 11,603.31 × 5,891.50
  4. Step 4: Simplify right side
    8,417.08x = 68,360,900.87
  5. Step 5: Solve for x
    x = 68,360,900.87/8,417.08
  6. Step 6: Final answer
    x = 8,121.69

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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.