Home / 8,712.48-12,023.43-4,733.82

Finding the Fourth Proportional to 8,712.48, 12,023.43 and 4,733.82

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Solution

The fourth proportional to 8,712.48, 12,023.43 and 4,733.82 is: 6,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.48 : 12,023.43 = 4,733.82 : x
  2. Step 2: Convert to fraction form
    8,712.48/12,023.43 = 4,733.82/x
  3. Step 3: Cross multiply
    8,712.48x = 12,023.43 × 4,733.82
  4. Step 4: Simplify right side
    8,712.48x = 56,916,753.40
  5. Step 5: Solve for x
    x = 56,916,753.40/8,712.48
  6. Step 6: Final answer
    x = 6,532.78

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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.