Home / 9,876.01-13,629.45-5,399.84

Finding the Fourth Proportional to 9,876.01, 13,629.45 and 5,399.84

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Solution

The fourth proportional to 9,876.01, 13,629.45 and 5,399.84 is: 7,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.01 : 13,629.45 = 5,399.84 : x
  2. Step 2: Convert to fraction form
    9,876.01/13,629.45 = 5,399.84/x
  3. Step 3: Cross multiply
    9,876.01x = 13,629.45 × 5,399.84
  4. Step 4: Simplify right side
    9,876.01x = 73,596,857.68
  5. Step 5: Solve for x
    x = 73,596,857.68/9,876.01
  6. Step 6: Final answer
    x = 7,452.08

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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.