Home / 9,616.20-13,268.64-5,424.45

Finding the Fourth Proportional to 9,616.20, 13,268.64 and 5,424.45

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Solution

The fourth proportional to 9,616.20, 13,268.64 and 5,424.45 is: 7,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.20 : 13,268.64 = 5,424.45 : x
  2. Step 2: Convert to fraction form
    9,616.20/13,268.64 = 5,424.45/x
  3. Step 3: Cross multiply
    9,616.20x = 13,268.64 × 5,424.45
  4. Step 4: Simplify right side
    9,616.20x = 71,975,074.25
  5. Step 5: Solve for x
    x = 71,975,074.25/9,616.20
  6. Step 6: Final answer
    x = 7,484.77

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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.