Home / 12,023.55-16,591.91-6,718.28

Finding the Fourth Proportional to 12,023.55, 16,591.91 and 6,718.28

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Solution

The fourth proportional to 12,023.55, 16,591.91 and 6,718.28 is: 9,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.55 : 16,591.91 = 6,718.28 : x
  2. Step 2: Convert to fraction form
    12,023.55/16,591.91 = 6,718.28/x
  3. Step 3: Cross multiply
    12,023.55x = 16,591.91 × 6,718.28
  4. Step 4: Simplify right side
    12,023.55x = 111,468,980.56
  5. Step 5: Solve for x
    x = 111,468,980.56/12,023.55
  6. Step 6: Final answer
    x = 9,270.89

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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.