Home / 8,712.38-12,023.09-4,733.49

Finding the Fourth Proportional to 8,712.38, 12,023.09 and 4,733.49

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Solution

The fourth proportional to 8,712.38, 12,023.09 and 4,733.49 is: 6,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.38 : 12,023.09 = 4,733.49 : x
  2. Step 2: Convert to fraction form
    8,712.38/12,023.09 = 4,733.49/x
  3. Step 3: Cross multiply
    8,712.38x = 12,023.09 × 4,733.49
  4. Step 4: Simplify right side
    8,712.38x = 56,911,176.28
  5. Step 5: Solve for x
    x = 56,911,176.28/8,712.38
  6. Step 6: Final answer
    x = 6,532.22

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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.