Home / 8,502.09-11,716.47-5,666.28

Finding the Fourth Proportional to 8,502.09, 11,716.47 and 5,666.28

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Solution

The fourth proportional to 8,502.09, 11,716.47 and 5,666.28 is: 7,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.09 : 11,716.47 = 5,666.28 : x
  2. Step 2: Convert to fraction form
    8,502.09/11,716.47 = 5,666.28/x
  3. Step 3: Cross multiply
    8,502.09x = 11,716.47 × 5,666.28
  4. Step 4: Simplify right side
    8,502.09x = 66,388,799.63
  5. Step 5: Solve for x
    x = 66,388,799.63/8,502.09
  6. Step 6: Final answer
    x = 7,808.53

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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.