Home / 9,769.72-13,482.16-5,577.97

Finding the Fourth Proportional to 9,769.72, 13,482.16 and 5,577.97

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Solution

The fourth proportional to 9,769.72, 13,482.16 and 5,577.97 is: 7,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.72 : 13,482.16 = 5,577.97 : x
  2. Step 2: Convert to fraction form
    9,769.72/13,482.16 = 5,577.97/x
  3. Step 3: Cross multiply
    9,769.72x = 13,482.16 × 5,577.97
  4. Step 4: Simplify right side
    9,769.72x = 75,203,084.02
  5. Step 5: Solve for x
    x = 75,203,084.02/9,769.72
  6. Step 6: Final answer
    x = 7,697.57

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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.