Home / 9,864.96-13,613.44-5,448.96

Finding the Fourth Proportional to 9,864.96, 13,613.44 and 5,448.96

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Solution

The fourth proportional to 9,864.96, 13,613.44 and 5,448.96 is: 7,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.96 : 13,613.44 = 5,448.96 : x
  2. Step 2: Convert to fraction form
    9,864.96/13,613.44 = 5,448.96/x
  3. Step 3: Cross multiply
    9,864.96x = 13,613.44 × 5,448.96
  4. Step 4: Simplify right side
    9,864.96x = 74,179,090.02
  5. Step 5: Solve for x
    x = 74,179,090.02/9,864.96
  6. Step 6: Final answer
    x = 7,519.45

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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.