Home / 12,718.19-17,550.62-7,053.17

Finding the Fourth Proportional to 12,718.19, 17,550.62 and 7,053.17

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Solution

The fourth proportional to 12,718.19, 17,550.62 and 7,053.17 is: 9,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.19 : 17,550.62 = 7,053.17 : x
  2. Step 2: Convert to fraction form
    12,718.19/17,550.62 = 7,053.17/x
  3. Step 3: Cross multiply
    12,718.19x = 17,550.62 × 7,053.17
  4. Step 4: Simplify right side
    12,718.19x = 123,787,471.20
  5. Step 5: Solve for x
    x = 123,787,471.20/12,718.19
  6. Step 6: Final answer
    x = 9,733.10

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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.