Home / 11,458.68-15,767.16-11,116.32

Finding the Fourth Proportional to 11,458.68, 15,767.16 and 11,116.32

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Solution

The fourth proportional to 11,458.68, 15,767.16 and 11,116.32 is: 15,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.68 : 15,767.16 = 11,116.32 : x
  2. Step 2: Convert to fraction form
    11,458.68/15,767.16 = 11,116.32/x
  3. Step 3: Cross multiply
    11,458.68x = 15,767.16 × 11,116.32
  4. Step 4: Simplify right side
    11,458.68x = 175,272,796.05
  5. Step 5: Solve for x
    x = 175,272,796.05/11,458.68
  6. Step 6: Final answer
    x = 15,296.07

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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.