Home / 8,674.44-11,970.70-4,898.40

Finding the Fourth Proportional to 8,674.44, 11,970.70 and 4,898.40

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Solution

The fourth proportional to 8,674.44, 11,970.70 and 4,898.40 is: 6,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.44 : 11,970.70 = 4,898.40 : x
  2. Step 2: Convert to fraction form
    8,674.44/11,970.70 = 4,898.40/x
  3. Step 3: Cross multiply
    8,674.44x = 11,970.70 × 4,898.40
  4. Step 4: Simplify right side
    8,674.44x = 58,637,276.88
  5. Step 5: Solve for x
    x = 58,637,276.88/8,674.44
  6. Step 6: Final answer
    x = 6,759.78

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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.