Home / 11,542.50-15,928.65-6,574.50

Finding the Fourth Proportional to 11,542.50, 15,928.65 and 6,574.50

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Solution

The fourth proportional to 11,542.50, 15,928.65 and 6,574.50 is: 9,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.50 : 15,928.65 = 6,574.50 : x
  2. Step 2: Convert to fraction form
    11,542.50/15,928.65 = 6,574.50/x
  3. Step 3: Cross multiply
    11,542.50x = 15,928.65 × 6,574.50
  4. Step 4: Simplify right side
    11,542.50x = 104,722,909.43
  5. Step 5: Solve for x
    x = 104,722,909.43/11,542.50
  6. Step 6: Final answer
    x = 9,072.81

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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.