Home / 11,365.27-15,685.05-6,329.32

Finding the Fourth Proportional to 11,365.27, 15,685.05 and 6,329.32

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Solution

The fourth proportional to 11,365.27, 15,685.05 and 6,329.32 is: 8,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.27 : 15,685.05 = 6,329.32 : x
  2. Step 2: Convert to fraction form
    11,365.27/15,685.05 = 6,329.32/x
  3. Step 3: Cross multiply
    11,365.27x = 15,685.05 × 6,329.32
  4. Step 4: Simplify right side
    11,365.27x = 99,275,700.67
  5. Step 5: Solve for x
    x = 99,275,700.67/11,365.27
  6. Step 6: Final answer
    x = 8,735.01

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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.