Home / 6,616.51-9,924.73-1,686.13

Finding the Fourth Proportional to 6,616.51, 9,924.73 and 1,686.13

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Solution

The fourth proportional to 6,616.51, 9,924.73 and 1,686.13 is: 2,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.51 : 9,924.73 = 1,686.13 : x
  2. Step 2: Convert to fraction form
    6,616.51/9,924.73 = 1,686.13/x
  3. Step 3: Cross multiply
    6,616.51x = 9,924.73 × 1,686.13
  4. Step 4: Simplify right side
    6,616.51x = 16,734,355.97
  5. Step 5: Solve for x
    x = 16,734,355.97/6,616.51
  6. Step 6: Final answer
    x = 2,529.18

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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.