Home / 9,979.08-13,770.93-5,502.96

Finding the Fourth Proportional to 9,979.08, 13,770.93 and 5,502.96

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Solution

The fourth proportional to 9,979.08, 13,770.93 and 5,502.96 is: 7,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.08 : 13,770.93 = 5,502.96 : x
  2. Step 2: Convert to fraction form
    9,979.08/13,770.93 = 5,502.96/x
  3. Step 3: Cross multiply
    9,979.08x = 13,770.93 × 5,502.96
  4. Step 4: Simplify right side
    9,979.08x = 75,780,808.10
  5. Step 5: Solve for x
    x = 75,780,808.10/9,979.08
  6. Step 6: Final answer
    x = 7,593.97

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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.