Home / 8,973.18-12,383.21-4,994.06

Finding the Fourth Proportional to 8,973.18, 12,383.21 and 4,994.06

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Solution

The fourth proportional to 8,973.18, 12,383.21 and 4,994.06 is: 6,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.18 : 12,383.21 = 4,994.06 : x
  2. Step 2: Convert to fraction form
    8,973.18/12,383.21 = 4,994.06/x
  3. Step 3: Cross multiply
    8,973.18x = 12,383.21 × 4,994.06
  4. Step 4: Simplify right side
    8,973.18x = 61,842,444.30
  5. Step 5: Solve for x
    x = 61,842,444.30/8,973.18
  6. Step 6: Final answer
    x = 6,891.92

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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.