Home / 9,326.14-12,871.30-5,346.48

Finding the Fourth Proportional to 9,326.14, 12,871.30 and 5,346.48

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Solution

The fourth proportional to 9,326.14, 12,871.30 and 5,346.48 is: 7,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.14 : 12,871.30 = 5,346.48 : x
  2. Step 2: Convert to fraction form
    9,326.14/12,871.30 = 5,346.48/x
  3. Step 3: Cross multiply
    9,326.14x = 12,871.30 × 5,346.48
  4. Step 4: Simplify right side
    9,326.14x = 68,816,089.11
  5. Step 5: Solve for x
    x = 68,816,089.11/9,326.14
  6. Step 6: Final answer
    x = 7,378.84

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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.