Home / 11,810.97-16,298.55-7,619.22

Finding the Fourth Proportional to 11,810.97, 16,298.55 and 7,619.22

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Solution

The fourth proportional to 11,810.97, 16,298.55 and 7,619.22 is: 10,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.97 : 16,298.55 = 7,619.22 : x
  2. Step 2: Convert to fraction form
    11,810.97/16,298.55 = 7,619.22/x
  3. Step 3: Cross multiply
    11,810.97x = 16,298.55 × 7,619.22
  4. Step 4: Simplify right side
    11,810.97x = 124,182,238.13
  5. Step 5: Solve for x
    x = 124,182,238.13/11,810.97
  6. Step 6: Final answer
    x = 10,514.14

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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.