Home / 8,845.84-12,207.30-4,867.21

Finding the Fourth Proportional to 8,845.84, 12,207.30 and 4,867.21

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Solution

The fourth proportional to 8,845.84, 12,207.30 and 4,867.21 is: 6,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.84 : 12,207.30 = 4,867.21 : x
  2. Step 2: Convert to fraction form
    8,845.84/12,207.30 = 4,867.21/x
  3. Step 3: Cross multiply
    8,845.84x = 12,207.30 × 4,867.21
  4. Step 4: Simplify right side
    8,845.84x = 59,415,492.63
  5. Step 5: Solve for x
    x = 59,415,492.63/8,845.84
  6. Step 6: Final answer
    x = 6,716.77

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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.