Home / 12,243.52-18,370.88-5,225.44

Finding the Fourth Proportional to 12,243.52, 18,370.88 and 5,225.44

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Solution

The fourth proportional to 12,243.52, 18,370.88 and 5,225.44 is: 7,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.52 : 18,370.88 = 5,225.44 : x
  2. Step 2: Convert to fraction form
    12,243.52/18,370.88 = 5,225.44/x
  3. Step 3: Cross multiply
    12,243.52x = 18,370.88 × 5,225.44
  4. Step 4: Simplify right side
    12,243.52x = 95,995,931.19
  5. Step 5: Solve for x
    x = 95,995,931.19/12,243.52
  6. Step 6: Final answer
    x = 7,840.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.