Home / 11,469.04-15,823.44-6,432.40

Finding the Fourth Proportional to 11,469.04, 15,823.44 and 6,432.40

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Solution

The fourth proportional to 11,469.04, 15,823.44 and 6,432.40 is: 8,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.04 : 15,823.44 = 6,432.40 : x
  2. Step 2: Convert to fraction form
    11,469.04/15,823.44 = 6,432.40/x
  3. Step 3: Cross multiply
    11,469.04x = 15,823.44 × 6,432.40
  4. Step 4: Simplify right side
    11,469.04x = 101,782,695.46
  5. Step 5: Solve for x
    x = 101,782,695.46/11,469.04
  6. Step 6: Final answer
    x = 8,874.56

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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.