Home / 8,973.70-12,383.57-4,994.81

Finding the Fourth Proportional to 8,973.70, 12,383.57 and 4,994.81

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Solution

The fourth proportional to 8,973.70, 12,383.57 and 4,994.81 is: 6,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.70 : 12,383.57 = 4,994.81 : x
  2. Step 2: Convert to fraction form
    8,973.70/12,383.57 = 4,994.81/x
  3. Step 3: Cross multiply
    8,973.70x = 12,383.57 × 4,994.81
  4. Step 4: Simplify right side
    8,973.70x = 61,853,529.84
  5. Step 5: Solve for x
    x = 61,853,529.84/8,973.70
  6. Step 6: Final answer
    x = 6,892.76

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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.