Home / 11,577.06-15,975.79-7,100.08

Finding the Fourth Proportional to 11,577.06, 15,975.79 and 7,100.08

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Solution

The fourth proportional to 11,577.06, 15,975.79 and 7,100.08 is: 9,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.06 : 15,975.79 = 7,100.08 : x
  2. Step 2: Convert to fraction form
    11,577.06/15,975.79 = 7,100.08/x
  3. Step 3: Cross multiply
    11,577.06x = 15,975.79 × 7,100.08
  4. Step 4: Simplify right side
    11,577.06x = 113,429,329.37
  5. Step 5: Solve for x
    x = 113,429,329.37/11,577.06
  6. Step 6: Final answer
    x = 9,797.77

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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.