Home / 6,636.51-9,153.68-4,115.93

Finding the Fourth Proportional to 6,636.51, 9,153.68 and 4,115.93

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Solution

The fourth proportional to 6,636.51, 9,153.68 and 4,115.93 is: 5,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.51 : 9,153.68 = 4,115.93 : x
  2. Step 2: Convert to fraction form
    6,636.51/9,153.68 = 4,115.93/x
  3. Step 3: Cross multiply
    6,636.51x = 9,153.68 × 4,115.93
  4. Step 4: Simplify right side
    6,636.51x = 37,675,839.77
  5. Step 5: Solve for x
    x = 37,675,839.77/6,636.51
  6. Step 6: Final answer
    x = 5,677.06

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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.