Home / 7,716.94-11,575.36-1,873.51

Finding the Fourth Proportional to 7,716.94, 11,575.36 and 1,873.51

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Solution

The fourth proportional to 7,716.94, 11,575.36 and 1,873.51 is: 2,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.94 : 11,575.36 = 1,873.51 : x
  2. Step 2: Convert to fraction form
    7,716.94/11,575.36 = 1,873.51/x
  3. Step 3: Cross multiply
    7,716.94x = 11,575.36 × 1,873.51
  4. Step 4: Simplify right side
    7,716.94x = 21,686,552.71
  5. Step 5: Solve for x
    x = 21,686,552.71/7,716.94
  6. Step 6: Final answer
    x = 2,810.25

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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.