Home / 11,074.01-15,278.30-7,097.32

Finding the Fourth Proportional to 11,074.01, 15,278.30 and 7,097.32

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Solution

The fourth proportional to 11,074.01, 15,278.30 and 7,097.32 is: 9,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.01 : 15,278.30 = 7,097.32 : x
  2. Step 2: Convert to fraction form
    11,074.01/15,278.30 = 7,097.32/x
  3. Step 3: Cross multiply
    11,074.01x = 15,278.30 × 7,097.32
  4. Step 4: Simplify right side
    11,074.01x = 108,434,984.16
  5. Step 5: Solve for x
    x = 108,434,984.16/11,074.01
  6. Step 6: Final answer
    x = 9,791.84

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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.