Home / 7,721.06-11,597.09-4,607.15

Finding the Fourth Proportional to 7,721.06, 11,597.09 and 4,607.15

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Solution

The fourth proportional to 7,721.06, 11,597.09 and 4,607.15 is: 6,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.06 : 11,597.09 = 4,607.15 : x
  2. Step 2: Convert to fraction form
    7,721.06/11,597.09 = 4,607.15/x
  3. Step 3: Cross multiply
    7,721.06x = 11,597.09 × 4,607.15
  4. Step 4: Simplify right side
    7,721.06x = 53,429,452.17
  5. Step 5: Solve for x
    x = 53,429,452.17/7,721.06
  6. Step 6: Final answer
    x = 6,919.97

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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.