Home / 8,260.79-12,384.56-2,994.98

Finding the Fourth Proportional to 8,260.79, 12,384.56 and 2,994.98

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Solution

The fourth proportional to 8,260.79, 12,384.56 and 2,994.98 is: 4,490.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.79 : 12,384.56 = 2,994.98 : x
  2. Step 2: Convert to fraction form
    8,260.79/12,384.56 = 2,994.98/x
  3. Step 3: Cross multiply
    8,260.79x = 12,384.56 × 2,994.98
  4. Step 4: Simplify right side
    8,260.79x = 37,091,455.07
  5. Step 5: Solve for x
    x = 37,091,455.07/8,260.79
  6. Step 6: Final answer
    x = 4,490.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.