Home / 10,364.20-15,584.70-8,674.60

Finding the Fourth Proportional to 10,364.20, 15,584.70 and 8,674.60

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Solution

The fourth proportional to 10,364.20, 15,584.70 and 8,674.60 is: 13,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.20 : 15,584.70 = 8,674.60 : x
  2. Step 2: Convert to fraction form
    10,364.20/15,584.70 = 8,674.60/x
  3. Step 3: Cross multiply
    10,364.20x = 15,584.70 × 8,674.60
  4. Step 4: Simplify right side
    10,364.20x = 135,191,038.62
  5. Step 5: Solve for x
    x = 135,191,038.62/10,364.20
  6. Step 6: Final answer
    x = 13,044.04

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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.