Home / 11,200.48-15,455.22-6,723.40

Finding the Fourth Proportional to 11,200.48, 15,455.22 and 6,723.40

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Solution

The fourth proportional to 11,200.48, 15,455.22 and 6,723.40 is: 9,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.48 : 15,455.22 = 6,723.40 : x
  2. Step 2: Convert to fraction form
    11,200.48/15,455.22 = 6,723.40/x
  3. Step 3: Cross multiply
    11,200.48x = 15,455.22 × 6,723.40
  4. Step 4: Simplify right side
    11,200.48x = 103,911,626.15
  5. Step 5: Solve for x
    x = 103,911,626.15/11,200.48
  6. Step 6: Final answer
    x = 9,277.43

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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.